Hiscox, Gardner Dexter, 1822?-1908 · New York, The Norman W. Henley publishing co. · leaf 66
h the projecting arm fromthe cylinder. See detailed figure. 171b. DETAILS OF THE ST.JOHNS STEAM METER.—Thelifting of the conical valve by differ-ential pressure allows the requiredquantity of steam to pass through theannular area, which is the measure un-der the initial pressure. The valvelift is… … lyic. BELT SHIPPER.—A taper pinwith a flange at the large end and attachedto a pole. This handy device enables thethrowing of a belt off or on with safety. 56 MEASUREMENT OF POWER.
Mechanical movements
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