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Volumn 48, Issue 2, 2007, Pages 303-330

Northern visions: Aerial surveying and the Canadian mining industry, 1919-1928

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EID: 34249746143     PISSN: 0040165X     EISSN: None     Source Type: Journal    
DOI: 10.1353/tech.2007.0063     Document Type: Review
Times cited : (16)

References (123)
  • 1
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    • Geological Mapping of Mineral Areas
    • "Geological Mapping of Mineral Areas," Canadian Mining Journal (1919): 298-99.
    • (1919) Canadian Mining Journal , pp. 298-299
  • 2
    • 34249715581 scopus 로고
    • Morris M. Thompson, ed, 3rd ed, Falls Church, Va
    • Morris M. Thompson, ed., Manual of Photogmmmetry, 3rd ed. (Falls Church, Va., 1966), 887.
    • (1966) Manual of Photogmmmetry , pp. 887
  • 3
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    • What Is Canadian about Science in Canadian History?
    • ed. Richard A. Jarrell and Norman R. Ball Waterloo, Ont
    • Trevor Levere, "What Is Canadian about Science in Canadian History?" in Science, Technology, and Canadian History, ed. Richard A. Jarrell and Norman R. Ball (Waterloo, Ont., 1980), 14-22;
    • (1980) Science, Technology, and Canadian History , pp. 14-22
    • Levere, T.1
  • 4
    • 0040434273 scopus 로고
    • All in a Day's Work: Local Invention on the Ontario Mining Frontier
    • October
    • Dianne Newell, "All in a Day's Work: Local Invention on the Ontario Mining Frontier," Technology and Culture 26 (October 1985): 799-814;
    • (1985) Technology and Culture , vol.26 , pp. 799-814
    • Newell, D.1
  • 5
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    • Canadian Technology: British Traditions and American Influences
    • January
    • Bruce Sinclair, "Canadian Technology: British Traditions and American Influences," Technology and Culture 20 (January 1979): 108-23;
    • (1979) Technology and Culture , vol.20 , pp. 108-123
    • Sinclair, B.1
  • 9
    • 0027903004 scopus 로고
    • National Styles? French and English Chemistry in the Nineteenth and Early Twentieth Centuries
    • Mary Jo Nye, "National Styles? French and English Chemistry in the Nineteenth and Early Twentieth Centuries," Osiris 8 (1993): 30-49;
    • (1993) Osiris , vol.8 , pp. 30-49
    • Nye, M.J.1
  • 10
    • 0023409935 scopus 로고
    • National Styles in Science: Genetics in Germany and the United States between the World Wars
    • September
    • Jonathan Harwood, "National Styles in Science: Genetics in Germany and the United States between the World Wars," Isis 78 (September 1987): 390-414;
    • (1987) Isis , vol.78 , pp. 390-414
    • Harwood, J.1
  • 13
    • 34249663627 scopus 로고    scopus 로고
    • Invention and Innovation in the Australian Non-ferrous Mining Industry: Whose Technology?
    • July
    • Diane Menghetti, "Invention and Innovation in the Australian Non-ferrous Mining Industry: Whose Technology?" Australian Economic History Review 45 (July 2005): 204-19.
    • (2005) Australian Economic History Review , vol.45 , pp. 204-219
    • Menghetti, D.1
  • 14
    • 0034394181 scopus 로고    scopus 로고
    • Innovation or Imitation? Technological Dependency in the American Nonferrous Mining Industry
    • April
    • Roger Burt, "Innovation or Imitation? Technological Dependency in the American Nonferrous Mining Industry," Technology and Culture 41 (April 2000): 321-47;
    • (2000) Technology and Culture , vol.41 , pp. 321-347
    • Burt, R.1
  • 17
    • 34249732918 scopus 로고    scopus 로고
    • Canadian Technology; Sinclair, Ball, and Peterson
    • Sinclair, "Canadian Technology"; Sinclair, Ball, and Peterson, Let Us Be Honest and Modest.
    • Let Us Be Honest and Modest
    • Sinclair1
  • 18
    • 34249728130 scopus 로고    scopus 로고
    • In this context, indigenous refers to a technology that comes out of a particular place or region, not to technologies of the Canadian First Nations or Inuit peoples.
    • In this context, "indigenous" refers to a technology that comes out of a particular place or region, not to technologies of the Canadian First Nations or Inuit peoples.
  • 19
    • 34249713484 scopus 로고
    • The Surveyor, the Aeroplane, and Canada
    • quote on 3
    • A. M. Narraway, "The Surveyor, the Aeroplane, and Canada," Canadian Surveyor 4 (1933): 3-8, quote on 3.
    • (1933) Canadian Surveyor , vol.4 , pp. 3-8
    • Narraway, A.M.1
  • 22
    • 34249700516 scopus 로고    scopus 로고
    • For a detailed history of Canadian surveying and mapping, including Eduard Deville's work with photography, see Don W. Thomson, Men and Meridians: The History of Surveying and Mapping in Canada, 2 (Ottawa, 1966). The other two covering the years prior to 1867 and from 1917 to 1947, were published in 1967 and 1969, respectively.
    • For a detailed history of Canadian surveying and mapping, including Eduard Deville's work with photography, see Don W. Thomson, Men and Meridians: The History of Surveying and Mapping in Canada, vol. 2 (Ottawa, 1966). The other two volumes, covering the years prior to 1867 and from 1917 to 1947, were published in 1967 and 1969, respectively.
  • 23
    • 34249702180 scopus 로고    scopus 로고
    • Gerald McGrath and Louis M. Sebert, eds., Mapping a Northern Land: The Survey of Canada, 1947-1994 (Montreal, 1999), bring the story of Canadian mapping and surveying to the mid-1990s.
    • Gerald McGrath and Louis M. Sebert, eds., Mapping a Northern Land: The Survey of Canada, 1947-1994 (Montreal, 1999), bring the story of Canadian mapping and surveying to the mid-1990s.
  • 24
    • 0036630036 scopus 로고    scopus 로고
    • See also Peter Collier, The Impact on Topographic Mapping of Developments in Land and Air Survey: 1900-1930, Cartography and Geographic Information Science 29 (July 2002): 155-75; Thompson (n. 2 above).
    • See also Peter Collier, "The Impact on Topographic Mapping of Developments in Land and Air Survey: 1900-1930," Cartography and Geographic Information Science 29 (July 2002): 155-75; Thompson (n. 2 above).
  • 25
    • 2142823572 scopus 로고
    • Geographical Reconnaissance by Aeroplane Photography with Special Reference to the Work Done on the Palestinian Front
    • See, for example, May
    • See, for example, H. Hamshaw Thomas, "Geographical Reconnaissance by Aeroplane Photography with Special Reference to the Work Done on the Palestinian Front," Geographical Journal 55 (May 1920): 349-70,
    • (1920) Geographical Journal , vol.55 , pp. 349-370
    • Hamshaw Thomas, H.1
  • 26
    • 2142706485 scopus 로고
    • Geographical Work with the Army in France
    • July
    • and H. S. L. Winterbotham, "Geographical Work with the Army in France," Geographical Journal 54 (July 1919): 12-23.
    • (1919) Geographical Journal , vol.54 , pp. 12-23
    • Winterbotham, H.S.L.1
  • 29
    • 1842668350 scopus 로고    scopus 로고
    • The Northern Vision of Harold Innis
    • Matthew Evenden, "The Northern Vision of Harold Innis," Journal of Canadian Studies 34 (1999): 162-86;
    • (1999) Journal of Canadian Studies , vol.34 , pp. 162-186
    • Evenden, M.1
  • 34
    • 34249730750 scopus 로고    scopus 로고
    • John Herd Thompson, with Alan Seager, Canada 1922-1939: Decades of Discord (Toronto, 1985);
    • John Herd Thompson, with Alan Seager, Canada 1922-1939: Decades of Discord (Toronto, 1985);
  • 39
    • 0036898989 scopus 로고    scopus 로고
    • Zeller (n. 3 above). In a somewhat different context, Mark Monmonier discusses American uses of aerial photography in the 1930s to monitor compliance with government crop regulations, another instance of the relationship between photography and control; see his Aerial Photography of the Agricultural Adjustment Administration: Acreage Controls, Conservation Benefits, and Overhead Surveillance in the 1930s, Photogrammetric Engineering and Remote Sensing 68 (2002): 1257-61.
    • Zeller (n. 3 above). In a somewhat different context, Mark Monmonier discusses American uses of aerial photography in the 1930s to monitor compliance with government crop regulations, another instance of the relationship between photography and control; see his "Aerial Photography of the Agricultural Adjustment Administration: Acreage Controls, Conservation Benefits, and Overhead Surveillance in the 1930s," Photogrammetric Engineering and Remote Sensing 68 (2002): 1257-61.
  • 40
    • 34249732368 scopus 로고    scopus 로고
    • Geological Mapping of Mineral Areas
    • n. 1 above
    • "Geological Mapping of Mineral Areas" (n. 1 above).
  • 41
    • 34249711675 scopus 로고    scopus 로고
    • The theodolite is an instrument used to measure angles during surveying, consisting essentially of a horizontal graduated circular plate with a sight often a telescope, along with a vertical arc for the measurement of angles of altitude or depression. A plane table is a circular drawing table mounted horizontally on a tripod with an alidade pivoted over its center
    • The theodolite is an instrument used to measure angles during surveying, consisting essentially of a horizontal graduated circular plate with a sight (often a telescope), along with a vertical arc for the measurement of angles of altitude or depression. A plane table is a circular drawing table mounted horizontally on a tripod with an alidade pivoted over its center.
  • 42
    • 34249704346 scopus 로고    scopus 로고
    • Canada Air Board, Plotting Topography from Oblique Aeroplane Photographs, in Report of the Air Board for the Year 1922, app. 1 (Ottawa, 1923), 58-62;
    • Canada Air Board, "Plotting Topography from Oblique Aeroplane Photographs, in Report of the Air Board for the Year 1922, app. 1 (Ottawa, 1923), 58-62;
  • 43
    • 34249683019 scopus 로고
    • Oblique Aerial Surveying in Canada
    • Gerard H. Matthes, "Oblique Aerial Surveying in Canada," Geographical Review 16 (1926): 568-82.
    • (1926) Geographical Review , vol.16 , pp. 568-582
    • Matthes, G.H.1
  • 44
    • 34249657686 scopus 로고    scopus 로고
    • Jewitt uses the example of contact between Precambrian and Paleozoic formations in the Mackenzie Valley to illustrate his point, noting that the contrast in the topography is striking enough to make the contact a sufficient guide between the great lakes; see W. G. Jewitt, Aerial Exploration, Canadian Institute of Mining and Metallurgy Bulletin 24 1931, 456-65
    • Jewitt uses the example of contact between Precambrian and Paleozoic formations in the Mackenzie Valley to illustrate his point, noting that "the contrast in the topography is striking enough to make the contact a sufficient guide between the great lakes"; see W. G. Jewitt, "Aerial Exploration," Canadian Institute of Mining and Metallurgy Bulletin 24 (1931): 456-65.
  • 45
    • 34249687430 scopus 로고
    • The Possibility of the Use of Seaplanes in Preliminary Mapping of Precambrian Areas
    • See also
    • See also E. L. Bruce, "The Possibility of the Use of Seaplanes in Preliminary Mapping of Precambrian Areas," Canadian Institute of Mining and Metallurgy Bulletin 15 (1922): 224-29.
    • (1922) Canadian Institute of Mining and Metallurgy Bulletin , vol.15 , pp. 224-229
    • Bruce, E.L.1
  • 47
    • 34249699375 scopus 로고    scopus 로고
    • Ibid., 463; Jewitt, 456-65.
    • Ibid., 463; Jewitt, 456-65.
  • 48
    • 34249686354 scopus 로고    scopus 로고
    • Due to the inherent mobility of aircraft, the operations of the existing exploration staff were extended and enlarged, areas previously considered inaccessible for all practical purposes being brought within the range of a few hours' travel (Jewitt, 459).
    • "Due to the inherent mobility of aircraft, the operations of the existing exploration staff were extended and enlarged, areas previously considered inaccessible for all practical purposes being brought within the range of a few hours' travel" (Jewitt, 459).
  • 49
    • 34249670016 scopus 로고    scopus 로고
    • Hammel et al., 457. The Department of National Defence echoed the sentiment: The survey services are now certain that by the use of photography they can reduce their ground work by more than half; and, at the same time, can produce maps infinitely more complete and accurate in much less time, than by older methods (Canada Department of National Defence, Report on Civil Aviation for 1924 [Ottawa, 1925], 49).
    • Hammel et al., 457. The Department of National Defence echoed the sentiment: "The survey services are now certain that by the use of photography they can reduce their ground work by more than half; and, at the same time, can produce maps infinitely more complete and accurate in much less time, than by older methods" (Canada Department of National Defence, Report on Civil Aviation for 1924 [Ottawa, 1925], 49).
  • 50
    • 34249722457 scopus 로고    scopus 로고
    • See also The Modern Trend in Transportation, Canadian Surveyor 3 (1930): 23.
    • See also "The Modern Trend in Transportation," Canadian Surveyor 3 (1930): 23.
  • 51
    • 34249735116 scopus 로고
    • Airplane Experiments
    • 91
    • "Airplane Experiments," Canadian Mining Journal (1924): 91.
    • (1924) Canadian Mining Journal
  • 52
    • 34249664187 scopus 로고
    • Aerial Surveying
    • 775
    • "Aerial Surveying," Canadian Mining Journal (1925): 775.
    • (1925) Canadian Mining Journal
  • 53
    • 34249665346 scopus 로고
    • The Air Force and Aerial Surveys
    • 448
    • "The Air Force and Aerial Surveys," Canadian Mining Journal (1923): 448.
    • (1923) Canadian Mining Journal
  • 54
    • 34249708731 scopus 로고    scopus 로고
    • Hammel et al, n. 18 above, 463
    • Hammel et al. (n. 18 above), 463.
  • 55
    • 34249666434 scopus 로고    scopus 로고
    • Ibid., 458.
  • 56
    • 34249682447 scopus 로고    scopus 로고
    • In 1925, the Canadian Surveyor noted that the Topographical Surveys Branch of the Department of the Interior and Royal Canadian Air Force employed a method whereby they would take photographs, and then have the surveyor use these for information as to the best route to follow with his traverse, at the same time fixing points on the ground which show in the pictures in order that the correct dimensions of features of the area mapped may be plotted from the pictures themselves;
    • In 1925, the Canadian Surveyor noted that the Topographical Surveys Branch of the Department of the Interior and Royal Canadian Air Force employed a method whereby they would take photographs, "and then have the surveyor use these for information as to the best route to follow with his traverse, at the same time fixing points on the ground which show in the pictures in order that the correct dimensions of features of the area mapped may be plotted from the pictures themselves";
  • 57
    • 34249736717 scopus 로고
    • Coordinating Ground and Aerial Surveys: Topographical Survey of Canada and Royal Canadian Air Force Experimental Work in Manitoba
    • see
    • see "A Record in Coordinating Ground and Aerial Surveys: Topographical Survey of Canada and Royal Canadian Air Force Experimental Work in Manitoba," Canadian Surveyor 2 (1925): 15.
    • (1925) Canadian Surveyor , vol.2 , pp. 15
    • Record in, A.1
  • 58
    • 34249724063 scopus 로고
    • The O. M. Miller Method of Oblique Air Surveying
    • As R. B. McKay pointed out ten years later, ground control surveys followed the photographs, first because they outlined travel routes, and second because following the photographs allowed them to identify useful control points; see
    • As R. B. McKay pointed out ten years later, ground control surveys followed the photographs, first because they outlined travel routes, and second because following the photographs allowed them to identify useful control points; see R. B. McKay, "The O. M. Miller Method of Oblique Air Surveying," Canadian Surveyor 5 (1935): 12-13.
    • (1935) Canadian Surveyor , vol.5 , pp. 12-13
    • McKay, R.B.1
  • 59
    • 34249708194 scopus 로고
    • Air Service to Red Lake
    • 256
    • "Air Service to Red Lake," Canadian Mining Journal (1926): 256.
    • (1926) Canadian Mining Journal
  • 61
    • 34249685321 scopus 로고
    • The Development of Travel in the Canadian North
    • quote on 194
    • R. C. Rowe, "The Development of Travel in the Canadian North," Canadian Mining Journal (1929): 155-57, 194 (quote on 194).
    • (1929) Canadian Mining Journal , vol.155 -57 , pp. 194
    • Rowe, R.C.1
  • 62
    • 34249709773 scopus 로고
    • Aerial Transport in Mining Districts
    • 113. This article is the first mention of aviation in the journal
    • "Aerial Transport in Mining Districts," Canadian Mining Journal (1919): 113. This article is the first mention of aviation in the journal.
    • (1919) Canadian Mining Journal
  • 63
    • 34249657193 scopus 로고
    • Air-line for Passengers and Freight
    • "Air-line for Passengers and Freight," Canadian Mining Journal (1924): 548-49.
    • (1924) Canadian Mining Journal , pp. 548-549
  • 64
    • 34249679443 scopus 로고    scopus 로고
    • Western Canada Airways advertisement, Canadian Mining Journal (1928): 665.
    • Western Canada Airways advertisement, Canadian Mining Journal (1928): 665.
  • 65
    • 34249719826 scopus 로고    scopus 로고
    • The second advertisement continues: The rapid expansion of Canadian mining fields has called for the development of new and speedy means of transportation. Dog teams, snow tractors, railways and planes are all carrying on in commendable manner. The real exploitation has been made possible by planes, that need no roads and that cover in a few hours a journey that would take days by any other means (Canadian Mining Journal [1929]: 280).
    • The second advertisement continues: "The rapid expansion of Canadian mining fields has called for the development of new and speedy means of transportation. Dog teams, snow tractors, railways and planes are all carrying on in commendable manner. The real exploitation has been made possible by planes, that need no roads and that cover in a few hours a journey that would take days by any other means" (Canadian Mining Journal [1929]: 280).
  • 66
    • 34249656593 scopus 로고
    • A New Development in Freight Carrying Aeroplanes: Which Contains Some Account of JU 52, the New Addition to the Fleet of Western Canada Airways
    • R. C. Rowe, "A New Development in Freight Carrying Aeroplanes: Which Contains Some Account of JU 52, the New Addition to the Fleet of Western Canada Airways," Canadian Mining Journal (1931): 850;
    • (1931) Canadian Mining Journal , pp. 850
    • Rowe, R.C.1
  • 68
    • 34249675306 scopus 로고    scopus 로고
    • Burchall was the publicity manager of Canadian Airways Limited
    • Burchall was the publicity manager of Canadian Airways Limited.
  • 69
    • 34249701583 scopus 로고    scopus 로고
    • R. N. Johnston, Appendix D: Aerial Sketch Mapping, in Canada Department of National Defence, Report on Civil Aviation for 1923 (Ottawa, 1924), 48-50.
    • R. N. Johnston, "Appendix D: Aerial Sketch Mapping," in Canada Department of National Defence, Report on Civil Aviation for 1923 (Ottawa, 1924), 48-50.
  • 70
    • 0001333824 scopus 로고
    • The Practical Limits of Aeroplane Photography for Mapping
    • See also
    • See also S. F. Newcombe, "The Practical Limits of Aeroplane Photography for Mapping," Geographical Journal 56 (1920): 201-6;
    • (1920) Geographical Journal , vol.56 , pp. 201-206
    • Newcombe, S.F.1
  • 71
    • 34249747134 scopus 로고
    • Limitations of Aerial Surveying Outlined
    • and P. J. Barry, "Limitations of Aerial Surveying Outlined," Canadian Engineer 44 (1923): 197.
    • (1923) Canadian Engineer , vol.44 , pp. 197
    • Barry, P.J.1
  • 72
    • 34249696787 scopus 로고
    • Geological Mapping of Mineral Areas
    • n. 1 above, Canada Department of Mines, Ottawa
    • "Geological Mapping of Mineral Areas" (n. 1 above); Canada Department of Mines, Report for the Year Ended March 31, 1926 (Ottawa, 1927).
    • (1927) Report for the Year Ended March 31, 1926
  • 73
    • 34249672626 scopus 로고    scopus 로고
    • Mouat (n. 12 above). From a high of $135 million in 1920, the Canadian mineral industry's net domestic income dropped to $92 million in 1921. While its income increased to $108 million and $109 million in 1922 and 1923, respectively, it dropped to $104 million in 1924, climbed to $122 million in 1925, and reached prerecession peaks only in 1926, at $139 million; see F. H. Leacy, ed., Historical Statistics of Canada, 2nd ed. (Ottawa, 1983), series F153-65.
    • Mouat (n. 12 above). From a high of $135 million in 1920, the Canadian mineral industry's net domestic income dropped to $92 million in 1921. While its income increased to $108 million and $109 million in 1922 and 1923, respectively, it dropped to $104 million in 1924, climbed to $122 million in 1925, and reached prerecession peaks only in 1926, at $139 million; see F. H. Leacy, ed., Historical Statistics of Canada, 2nd ed. (Ottawa, 1983), series F153-65.
  • 74
    • 34249680020 scopus 로고    scopus 로고
    • MacLaurin (n. 29 above), 914; Newcombe, 201; R. C. Purser, Use of the Aerial Camera in Mapping, Canadian Mining Journal (1929): 92-96; Thomas (n. 11 above).
    • MacLaurin (n. 29 above), 914; Newcombe, 201; R. C. Purser, "Use of the Aerial Camera in Mapping," Canadian Mining Journal (1929): 92-96; Thomas (n. 11 above).
  • 75
    • 34249729756 scopus 로고
    • The First Canadian Fairchild Company, 1922-29
    • summer
    • Anthony S. Brandt, "The First Canadian Fairchild Company, 1922-29," CAHS Journal 9 (summer 1971): 38-51;
    • (1971) CAHS Journal , vol.9 , pp. 38-51
    • Brandt, A.S.1
  • 76
    • 34249650498 scopus 로고
    • Report on Experimental Aerial Survey at Ottawa, 1920
    • Canada Air Board
    • Canada Air Board, "Report on Experimental Aerial Survey at Ottawa, 1920," Air Board Bulletin 2 (1921): 8-9, 11-12;
    • (1921) Air Board Bulletin , vol.2
  • 77
    • 34249698501 scopus 로고    scopus 로고
    • MacLaurin, 916; M. N. MacLeod, The Adjustment of Air Photographs to Surveyed Points, Geographical Jour nal 61 (1923): 413-19; Thomas, 359-60, 364, 366.
    • MacLaurin, 916; M. N. MacLeod, "The Adjustment of Air Photographs to Surveyed Points," Geographical Jour nal 61 (1923): 413-19; Thomas, 359-60, 364, 366.
  • 78
    • 34249684126 scopus 로고    scopus 로고
    • Brandt, 42; MacLaurin, 915; MacLeod, 415; Newcombe (n. 35 above), 201. Compared to the concerns of surveyors, prospectors had much higher tolerances for error; see Gerard H. Matthes, Aerial Surveys for City Mapping, Canadian Surveyor 2 (1926): 3-7.
    • Brandt, 42; MacLaurin, 915; MacLeod, 415; Newcombe (n. 35 above), 201. Compared to the concerns of surveyors, prospectors had much higher tolerances for error; see Gerard H. Matthes, "Aerial Surveys for City Mapping," Canadian Surveyor 2 (1926): 3-7.
  • 79
    • 34249715580 scopus 로고    scopus 로고
    • Oblique Aerial Surveying in Canada
    • n. 16 above, 569
    • Matthes, "Oblique Aerial Surveying in Canada" (n. 16 above), 569.
    • Matthes1
  • 81
    • 34249702719 scopus 로고    scopus 로고
    • Purser n. 38 above, 92
    • Ibid.; Purser (n. 38 above), 92.
    • Matthes1
  • 82
    • 34249734577 scopus 로고    scopus 로고
    • See MacLaurin (n. 29 above), 914-15; H. L. Cooke, Experimental Topographical Survey from the Air, in Report of the Air Board for the Year 1922, app. 1 (n. 16 above), 62-69; Hammel et al. (n. 18 above), 463.
    • See MacLaurin (n. 29 above), 914-15; H. L. Cooke, "Experimental Topographical Survey from the Air," in Report of the Air Board for the Year 1922, app. 1 (n. 16 above), 62-69; Hammel et al. (n. 18 above), 463.
  • 83
    • 34249659833 scopus 로고    scopus 로고
    • See, for example, Canada Department of National Defence, Report on Civil Aviation for 1926 (Ottawa, 1927); Canada Department of National Defence, Report on Civil Aviation for 1927 (Ottawa, 1928). Both vertical and oblique photography had difficulty dealing with dramatic elevations, but the rolling features of the Canadian Shield did not pose serious interpretation difficulties for surveyors. Photography lifted the surveyor above the heavy bush that obscured his vision on the ground and allowed him to view the outlines of the multiple formations that dotted the Shield. Oblique photography promised to be able to cover more ground more quickly, enabling the TSB and mining companies to satisfy the demand for maps of mineral-rich areas.
    • See, for example, Canada Department of National Defence, Report on Civil Aviation for 1926 (Ottawa, 1927); Canada Department of National Defence, Report on Civil Aviation for 1927 (Ottawa, 1928). Both vertical and oblique photography had difficulty dealing with dramatic elevations, but the rolling features of the Canadian Shield did not pose serious interpretation difficulties for surveyors. Photography lifted the surveyor above the heavy bush that obscured his vision on the ground and allowed him to view the outlines of the multiple formations that dotted the Shield. Oblique photography promised to be able to cover more ground more quickly, enabling the TSB and mining companies to satisfy the demand for maps of mineral-rich areas.
  • 84
    • 34249677162 scopus 로고    scopus 로고
    • Oblique Aerial Surveying in Canada
    • Canada Air Board, n. 16 above, 571; Purser, 92
    • Canada Air Board, "Plotting Topography from Oblique Aeroplane Photographs" (n. 16 above); Matthes, "Oblique Aerial Surveying in Canada" (n. 16 above), 571; Purser, 92.
  • 85
    • 34249739451 scopus 로고    scopus 로고
    • Unfortunately, altitudinal measurements could be unreliable. Aircraft altimeters used barometric measurements and thus were influenced by changes in atmospheric pressure and only accurate to within a hundred feet; see Matthes, Oblique Aerial Surveying in Canada, 573. Interestingly, in his article MacLeod describes an instrument for determining the camera tilt; see his The Adjustment of Air Photographs to Surveyed Points (n. 39 above), 413-19.
    • Unfortunately, altitudinal measurements could be unreliable. Aircraft altimeters used barometric measurements and thus were influenced by changes in atmospheric pressure and only accurate to within a hundred feet; see Matthes, "Oblique Aerial Surveying in Canada," 573. Interestingly, in his article MacLeod describes an instrument for determining the camera tilt; see his "The Adjustment of Air Photographs to Surveyed Points" (n. 39 above), 413-19.
  • 86
    • 34249715580 scopus 로고    scopus 로고
    • Matthes also provides a detailed account of the mathematical formulas used
    • Matthes, "Oblique Aerial Surveying in Canada," 574-76; Matthes also provides a detailed account of the mathematical formulas used.
    • Oblique Aerial Surveying in Canada , pp. 574-576
    • Matthes1
  • 88
    • 34249669523 scopus 로고    scopus 로고
    • Ibid., 573, 574.
    • , vol.573 , pp. 574
    • Matthes1
  • 96
    • 34249691558 scopus 로고    scopus 로고
    • J. A. Wilson to Sir Sefton Brancker, 13 March 1923, J. A. Wilson Papers, National Archives of Canada (hereafter JAW Papers, NAC), MG 30 E 243, 5, Specific Correspondence, 1920-1942; Wise (n. 9 above).
    • J. A. Wilson to Sir Sefton Brancker, 13 March 1923, J. A. Wilson Papers, National Archives of Canada (hereafter JAW Papers, NAC), MG 30 E 243, vol. 5, "Specific Correspondence, 1920-1942"; Wise (n. 9 above).
  • 97
    • 34249666433 scopus 로고    scopus 로고
    • J. A. Wilson, Air Policy, 1923, JAW Papers, NAC, MG 30 E 243, 6, Memoranda Relating to Air Development in Canada, 1920-1926. See also J. A. Wilson to C. J. Grey, 12 June 1923, JAW Papers, NAC, MG 30 E 243, 5, Specific Correspondence, 1920-1942.
    • J. A. Wilson, "Air Policy," 1923, JAW Papers, NAC, MG 30 E 243, vol. 6, "Memoranda Relating to Air Development in Canada, 1920-1926." See also J. A. Wilson to C. J. Grey, 12 June 1923, JAW Papers, NAC, MG 30 E 243, vol. 5, "Specific Correspondence, 1920-1942."
  • 100
    • 34249739450 scopus 로고
    • The RCAF, 1918-1939: A Political History
    • 4-10
    • Dwayne Lovegrove, "The RCAF, 1918-1939: A Political History," CAMS Journal 25 (1987): 4-10, 19.
    • (1987) CAMS Journal , vol.25 , pp. 19
    • Lovegrove, D.1
  • 101
    • 34249740518 scopus 로고    scopus 로고
    • Kyle McIntyre also argues in his article that the RCAF functioned as an extension of Mackenzie King's policy; see his The Politics of Air Power: Mackenzie King and the British Commonwealth Air Training Plan, CAMS Journal 26 1988, 108-15
    • Kyle McIntyre also argues in his article that the RCAF functioned as an extension of Mackenzie King's policy; see his "The Politics of Air Power: Mackenzie King and the British Commonwealth Air Training Plan," CAMS Journal 26 (1988): 108-15.
  • 103
    • 34249749211 scopus 로고    scopus 로고
    • Russell H. Catomore, The Civil Aviation Movement in Canada: 1919-1939 (M.A. thesis, University of Toronto, 1970); Report of the Air Board for the Year 1922 (n. 16 above), 5;
    • Russell H. Catomore, "The Civil Aviation Movement in Canada: 1919-1939" (M.A. thesis, University of Toronto, 1970); Report of the Air Board for the Year 1922 (n. 16 above), 5;
  • 106
    • 34249702179 scopus 로고    scopus 로고
    • J. A. Wilson to P. D. Acland, 5 December 1923, JAW Papers, MAC, MG 30 E 243, 5, Specific Correspondence, 1920-1942.
    • J. A. Wilson to P. D. Acland, 5 December 1923, JAW Papers, MAC, MG 30 E 243, vol. 5, "Specific Correspondence, 1920-1942."
  • 109
    • 34249710071 scopus 로고    scopus 로고
    • Membership included representatives from the Department of the Interior, particularly the director of forestry, chief aerial surveys engineer, and assistant director of topographical surveys; see Douglas (n. 52 above), 72.
    • Membership included representatives from the Department of the Interior, particularly the director of forestry, chief aerial surveys engineer, and assistant director of topographical surveys; see Douglas (n. 52 above), 72.
  • 110
    • 34249718739 scopus 로고    scopus 로고
    • In 1925, work for the Dominion Forest Service formed the largest component of the RCAF's program, but it also undertook operations in Manitoba, covering 38,000 square miles using oblique photography. In 1926, Alberta operations continued to focus on vertical photography, but in Manitoba and northern Ontario, the air force used oblique photography to cover 25,000 square miles. It also covered 24,000 square miles in northern Manitoba; see Canada Department of National Defence, Report on Civil Aviation for 1925 Ottawa, 1926, 64;
    • In 1925, work for the Dominion Forest Service formed the largest component of the RCAF's program, but it also undertook operations in Manitoba, covering 38,000 square miles using oblique photography. In 1926, Alberta operations continued to focus on vertical photography, but in Manitoba and northern Ontario, the air force used oblique photography to cover 25,000 square miles. It also covered 24,000 square miles in northern Manitoba; see Canada Department of National Defence, Report on Civil Aviation for 1925 (Ottawa, 1926), 64;
  • 112
    • 34249681655 scopus 로고
    • Canada Department of National Defence, 1929 Ottawa, 45
    • Canada Department of National Defence, Report on Civil Aviation for 1929 (Ottawa, 1930), 45.
    • (1930) Report on Civil Aviation for
  • 113
    • 34249670999 scopus 로고    scopus 로고
    • Intervention gouvernementale et industrie aeronautique" (n. 52 above), and Rénald Fortier, "L'instrument privilégié d'Ottawa: Canadian Vickers et la fabrication d'aéronefs au Canada au cours des années 1920
    • For a full discussion of the relationship between Canadian Vickers's designs and Canadian aviation politics, see, unpublished manuscript
    • For a full discussion of the relationship between Canadian Vickers's designs and Canadian aviation politics, see Portier, "Intervention gouvernementale et industrie aeronautique" (n. 52 above), and Rénald Fortier, "L'instrument privilégié d'Ottawa: Canadian Vickers et la fabrication d'aéronefs au Canada au cours des années 1920," unpublished manuscript, 2005.
    • (2005)
    • Portier1
  • 114
    • 34249714541 scopus 로고    scopus 로고
    • Of the RCAF's total activity of 3,941 hours, 45 minutes in 1924, forest-fire patrols comprised the largest segment: 1,356 hours, 17 minutes; see Report of the Department of National Defence for the Fiscal Year Ending March 1924 (n. 54 above), 54.
    • Of the RCAF's total activity of 3,941 hours, 45 minutes in 1924, forest-fire patrols comprised the largest segment: 1,356 hours, 17 minutes; see Report of the Department of National Defence for the Fiscal Year Ending March 1924 (n. 54 above), 54.
  • 117
    • 34249674754 scopus 로고    scopus 로고
    • Hammel et al, n. 18 above, 463
    • Hammel et al. (n. 18 above), 463.
  • 118
    • 34249749745 scopus 로고
    • The same report did remark, in a tone of grateful appreciation, that the Departments of National Defence and Interior had made significant contributions over the previous two years through the use of airplanes; see Canada Department of Mines, Ottawa
    • The same report did remark, in a tone of grateful appreciation, that the Departments of National Defence and Interior had made significant contributions over the previous two years through the use of airplanes; see Canada Department of Mines, Annual Report for the Fiscal Year Ended March 31, 1926 (Ottawa, 1927).
    • (1927) Annual Report for the Fiscal Year Ended March 31, 1926
  • 120
    • 34249672000 scopus 로고    scopus 로고
    • Between 1921 and 1926, mineral development's net domestic income grew from $92 million to $139 million (an increase of 51 percent); see Leacy (n. 37 above), series F56-75 and F153-58.
    • Between 1921 and 1926, mineral development's net domestic income grew from $92 million to $139 million (an increase of 51 percent); see Leacy (n. 37 above), series F56-75 and F153-58.
  • 121
    • 34249720864 scopus 로고    scopus 로고
    • The prospector and mining engineer, their interest in the North awakened by the great discoveries of the past generation in the copper-nickel areas of Sudbury, the silver mines of Cobalt, the gold discoveries in the Yukon and at Porcupine, were also seeking better methods of transportation and exploration. The surveyor and geologist, the epic of whose work during past generations has yet to be written, urged as their first necessity, faster and easier means of transportation which would conserve their time and energy for scientific work and increase the efficiency of their service by giving a wider overlook over the country and a surer method of recording its features. Services such as the North West Territories Branch, the Department of Indian Affairs, and the Mounted Police, felt the handicap the old, slow, and arduous methods of travel imposed. All were anxious to experiment with aircraft but hesitated to embark on work so technical and so far removed from their normal duties
    • "The prospector and mining engineer, their interest in the North awakened by the great discoveries of the past generation in the copper-nickel areas of Sudbury, the silver mines of Cobalt, the gold discoveries in the Yukon and at Porcupine, were also seeking better methods of transportation and exploration. The surveyor and geologist, the epic of whose work during past generations has yet to be written, urged as their first necessity, faster and easier means of transportation which would conserve their time and energy for scientific work and increase the efficiency of their service by giving a wider overlook over the country and a surer method of recording its features. Services such as the North West Territories Branch, the Department of Indian Affairs, and the Mounted Police, felt the handicap the old, slow, and arduous methods of travel imposed. All were anxious to experiment with aircraft but hesitated to embark on work so technical and so far removed from their normal duties" (Report on Civil Aviation for 1925 [n. 59 above], 44). The implication of this section is that the RCAF had been essential in meeting those needs.
  • 122
    • 34249674755 scopus 로고    scopus 로고
    • Levere n. 3 above
    • Levere (n. 3 above).
  • 123
    • 34249744243 scopus 로고    scopus 로고
    • Burt (n. 6 above); Menghetti (n. 5 above).
    • Burt (n. 6 above); Menghetti (n. 5 above).


* 이 정보는 Elsevier사의 SCOPUS DB에서 KISTI가 분석하여 추출한 것입니다.