Hiscox, Gardner Dexter, 1822?-1908 · New York, The Norman W. Henley publishing co. · leaf 127
421^. FLEXIBLE METALLICHOSE.—The joints are packedwith rubber, which lies between theoverlapping edges of the corru-gated tape forming the screw. … 42if. FLEXIBLE METALLIC TUB-ING.—The corrugations are deep indentedrings spun or pressed from a plain tube.It may be also made spiral. Section VI. MOTIVE POWER. Gas and Gasoline Engines, Valve Gear and Appllances, Connecting Rods and Heads.
Mechanical movements
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