Ferris, Richard. [from old catalog] · New York, T. Nelson and sons · leaf 238
i. FROhJT v»ew E> ^ 2 TAIL f Z 3 A S 6 Scale-inches Details and plans of the Harold Lynn model monoplane. W, tail block; Y,thrust-block; S, mounting of propeller showing glass bead next the thrust-block, and one leather washer outside the screw; B, glass bead; C, tinwasher; M, M, tin lugs…
Aeronautics
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