Handbook of construction plant, its cost and efficiency (1914)
Dana, Richard Turner, 1876-1928 · Chicago, The M. C. Clark Publishing Co. · leaf 417
-matic stop, quick return, wheel and lever feed. Spindle is coun-terbalanced. The table has vertical adjustment on column bymeans of handle operating gear in rack. Shafts are made of steel.Gears are cut two to one and cone has four steps, 3f| inchesto 8i5s inches diameter. Price $970. A new 20-in.… … Fig. 177. Merriman Standard Bolt Cutter.11/2-inch Plain Machine. 412 MACHINE TOOLS 413 bolts or tap nuts %-in. to 1%-in. right or left hand, weighs1,200 lbs. and can be bought second-hand for $175 net. A single end-punch or shear weighs about 4,500 lbs. and willpunch 1-in. hole through %-in. plate…
Contractors' operations · Building
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