Aviation engines; design--construction--operation and repair; (1919)
Pagé, Victor Wilfred, 1885-1947 · New York, The Norman W. Henley publishing co. · leaf 393
re many styles of taps, all conforming todifferent standards. Some are for metric or foreign 394 Aviation Engines threads, some conform to the American standards, whileothers are used for pipe and tubing. Hand taps are theform most used in repair shops, these being outlined atFig. 171, A and B;… … vwwww
Airplanes
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