Hiscox, Gardner Dexter, 1822?-1908 · New York, The Norman W. Henley publishing co. · leaf 175
611^. CURRENT METER. — Apropeller on a spindle with worm op-erating two geared register wheels,graduated to 1,000 revolutions.Stopped and started for time by astring and spring pawl. Section VIII. AIR POWER APPLIANCES. Windmills, Bellows, Blowers, Air Compressors, Compressed Air Tools,Motors, Air…
Mechanical movements
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