Note that that was a 1930s civilian catalogue and we are now in the Military History and Heritage Subforum.
As you say, the matter has been well covered, most recently in
http://www.xmarksthescot.com/forum/f...0s-rare-89603/
(The Corbis images link is now
http://www.gettyimages.de/pictures/b...hoto-515999180
)
Alan
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