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 188
or collapses under undue strain. In this case the parachute harnessalso serves as the aviators safety belt. It is all released togetherby a single lever, The area allowed in a parachute should be about 4 sq, ft. of silkper lb. weight supported, e.g., a parachute_of 28 ft. diameter DIV. Il] r/ipss… … INDSnTEO r/JP£S ^LflCK 47 ^ CqnFR£ss£D /f/M fHOn CENTRE HOLE/iS/1 U///V£RS/JL /fOOOgP
Aeronautics
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