Handbook of construction plant, its cost and efficiency (1918)
Dana, Richard Turner, 1876-1928 · New York, McGraw-Hill book company, inc., [etc., etc.] · leaf 304
gmotors, vary with the current, voltage, etc., but for estimatingpurposes it is generally true that motor driven hoisting enginescost more than steam driven engines complete w^ith boilers. A hoist engine used 10 years on pile driving with minor re-pairs was then used three years. The original cost… … Fig. 114. Gasoline V Friction Hoist. Several types of hoisting engines are illustrated in Figs. Nos.110 to 115. GASOI^INE HOIST A single drum 2i^ H. P. gasoline hoisting engine, having acapacity of 1000 lbs. on a single line. Engine, 2^^ H. P., gasoline, electric ignition, complete withbatteries,…
Contractors' operations · Building
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