Hiscox, Gardner Dexter, 1822?-1908 · New York, The Norman W. Henley publishing co. · leaf 176
611^. CURRENT METER. — Apropeller on a spindle with worm op-erating tw^o geared register wheels,graduated to 1,000 revolutions.Stopped and started for time by astring and spring pawl. Section VIIL
Mechanical movements
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