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- W2045241780 abstract "In 1926, the Department of the Interior commenced publication of experimental air charts and air navigation strip maps. Encouraged by the favourable reception of these early efforts, it was decided in 1932 to embark on the publication of a chart series for air navigation in Canada. Because the RCAF was interested in this project, the Department of National Defence volunteered to help with the chart design. The result of this initiative was the Canadian 8-mile Series which, for the purposes of economy and general usefulness, was to be published in two forms - each sheet being initially printed as a medium-scale topographic map, and re-published with an air information overprint as an air chart. World War 2 greatly accelerated production of the series and by July 1944 all 220 sheets were in print, this rapid production greatly aided by Trimetrogon plotting from air photographs. New editions of the original 1932 design continued to be produced until 1980 when a new design was adopted using a larger sheet format. By 1988, when the change-over to the new format is completed, the number of sheets will be reduced from 220 to 51." @default.
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- W2045241780 date "1986-12-01" @default.
- W2045241780 modified "2023-09-25" @default.
- W2045241780 title "Canada's First Aeronautical Charts And The Eight mile Map Series" @default.
- W2045241780 doi "https://doi.org/10.3138/w71x-2255-6t81-6r77" @default.
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