Hiscox, Gardner Dexter, 1822?-1908 · New York, The Norman W. Henley publishing co. · leaf 193
678. PNEUMATIC PORTABLE RIVETER.—Direct piston and toggle-joint motion to the levers.The machine is balanced on a forked suspender. The piston draws the toggle joint in by air pressure. … 679. PNEUMATIC BREAST DRILL.—A rotary air motor is fixed to the drill-spindle, in a case to which the handlesand breast-plate are attached. Com-pressed air enters through the handlewith the valve lever and is exhaustedthrough the opposite handle. AIR POWER APPLIANCES. 183
Mechanical movements
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