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 312
^ ■^ j; i> i ^ Su -3 — CS :^ .> CO .- a-. ~ t s J~>IV. Vl] C.OTHA. 17
Aeronautics
Internet Archive · California Digital Library · Public Domain Mark 1.0. Free to use for anything.