Handbook of construction plant, its cost and efficiency (1914)
Dana, Richard Turner, 1876-1928 · Chicago, The M. C. Clark Publishing Co. · leaf 26
ghammer having a 3-in. stroke. This is operated by air suppliedfrom a portable compressor outfit of light weight, having a self-contained water cooling system and a simple gasoline engine.The capacity is about 50-75 cubic feet of air, which is sufficientfor 7 or 8 hammers. Table 9 (from an article… … Fig. 12. for each joint 2Y2 hours in yarning and 7 hours in caulking withlead woOl; two men completed one joint in a 10-hour day. About160 lb. of lead wool were used. With the compressed air outfitit is stated two men can yarn and caulk two joints in a 10-hourday. The men stand on either side of…
Contractors' operations · Building
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