D'Orcy's Airship Manual: An International Register of Airships with a Compendium of the Airship's Elementary Mechanics
Well worth the effort of a free download - enjoy! http://ia600302.us.archive.org/8/items/dorcysairshipman00orcyrich/dorcysairshipman00orcyrich.pdf
1 comment:
That is an absolutely fascinating find, I thought it would be a sort of VSF pastiche, but it's the real Mcoy - published 1917...
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