Handbook of construction plant, its cost and efficiency (1918)
Dana, Richard Turner, 1876-1928 · New York, McGraw-Hill book company, inc., [etc., etc.] · leaf 574
n several cases wherethe size curve shows a decided rise the weight curve dips. It I ROPE 569 would be natural to suppose that the weight would increase cor-respondingly with the size, but this does not seem to be the caseand must indicate that some brands are more loosely twistedthan others. As… … Fig. 260. Portable Sand Blast. A portable sand blast machine, 20 ins. diameter, 52 ins. totalheight, fitted with water trap and pressure gauge, helmet to pro-tect operator, nozzle holder and 24%x5 ins., hard iron nozzles,costs about $190. A machine of this kind may be used for manypurposes, among…
Contractors' operations · Building
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