The aviation pocket-book for 1918; a compendium of modern practice and a collection of useful notes, formulae, rules, tables and data relating to aeronautics (1918)
Matthews, Richard Borlase, 1878- · London : C. Lockwood and son · leaf 412
(navy alternative) FRANCE , BELGIUM, SERBIA ^ ROUMANIA.
Aeronautics
Internet Archive · California Digital Library · Public Domain Mark 1.0. Free to use for anything.
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