Discussion of report just published by H. M. Stationery Office on experimental revision of Ordnance Survey for area near Eastbourne which was made by aid of aerial photographs taken by Aircraft Operating Co., Ltd.; results showed that, except in some types of light wire fences, all improvements and alterations were easily identified, and that information given by photographs could considerably decrease cost of ground work.
Ordnance survey revision by aerial photography
Aeroplane
Aeroplane ; 35 , n 6
1928
Aufsatz (Zeitschrift)
Englisch
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