Hiscox, Gardner Dexter, 1822?-1908 · New York, The Norman W. Henley publishing co. · leaf 400
s by abolt and thumb screw. 1619. LANTERN. BELLOWS DRY GASMETER.—The two pair of bellow chambers, A,A, are alternately filled with gas under the servicepressure, by which the movement of the centraldiaphragm (to which are attached pivots that movethe arms of a rock shaft for each pair of bellows)is… … 39° MISCELLANEOUS DEVICES.
Mechanical movements
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