Benjamin, Charles H[enry], 1856- [from old catalog] · New York, H. Holt and company · leaf 336
A<i)u«toble Stop … Fig. 159. The Air Hoist. (Whiting Foundry Equipment Co.) 163. Assignment.—Capacity in free load lb. Weight of parts and friction per cent Air pressure (80 to 100) lb. per sq. in. Lift (2 to 4) ft. The following data may be used for checking, air at 80 lb. per square inch. Diam. of hoist Size of…
Machine design
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