The latest engineering and technology from the 1930s. The 1930s pioneered the science of photogrammetry (mapping from aerial photographs), with the Ordnance Survey being an enthusiastic user. The photograph illustrates the Pilot, biplane and flashlight camera, used for mapping and surveys. The flashlight mechanism can be seen under the wing.

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Size: 3945px × 2498px
Location: United Kingdom
Photo credit: © De Luan / Alamy / Afripics
License: Licensed
Model Released: No

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