Report on experimental aerial survey at Ottawa, 1920 ... March, 1921

An edition of Report on experimental aerial survey at Ottawa, 1920 ... March, 1921 (1921)

Report on experimental aerial survey at Ottawa, 1920 ... March, 1921.

By Canada. Board on Aeronautics.

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Publish Date

1921

Publisher

T. Mulvey, printer

Language

eng

Pages

Description:

subjects: Aerial photography, Aerial surveys, Photographic surveying, Photographie aérienne, Phototopographie