Z^m%h '■ ■ ■ ■ • •■'■ -.--.. — . mmmmm—■ tit PTt rati 41 lA/Jv iwiW i> THE ADVOCATE OF INDUSTRY, AND JOURNAL OF SCIENTIFIC, MECHANICAL, AND OTHER IMPROVEMENTS. NUMBER 47. VOLUME XI. NEW-YORK, AUGUST 2,1856. IMPROVEMENT IN PLATFORM SCALES. Scientific American, … and engine house, and obtaining any desira- the proper balance is obtained. L is a screw the side frames, I; the studs support shafts, Improved Platform Weighing Scale? ble length of stroke by merely adding to the weight for the finer divisions of fractions— A, upon knife edges, a. The ends of…
Patents · Claim · Water · Boiler · Purpose set · Patented · Short time · Safety valve · Atmospheric air · Feed water · Scientific American · Steam pressure · Patent office · Plate glass · Feed pump
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