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voor de liefhebbers van WO1 :)

Photographs of H.M. vessels & auxiliaries and other objects taken from the air (1918)

This was printed in August 1918 for the Intelligence Department of the Admiralty as CB 848 and was very clearly marked secret, issued in numbered copies so that if it fell into the wrong hands the security breach could be traced. There is also the rather odd restriction that

'This book is NEVER to be carried in any Aircraft heavier or lighter than air.'

Presumably this again was to prevent the Germans from finding a soggy copy washing up on the shore after some damn fool had taken it up for a joyride to compare the photos with the real thing and ended up in the drink. Eh what? Anyway, I think we can presume that the defence of the realm no longer depends on the secrecy of this book, and so we can enjoy the pretty pictures.

Author: Great Britain Naval Intelligence Dept
Publisher: Ordnance Survey Office
Year: 1918
Pages: 56
Language: English
Format: PDF 300 dpi
Size: 71 ??

Thanks to Gerza &  Starboard :)