International Library of Technology · Scranton, International Textbook Co. · leaf 18
will be found a fewfeet from the surface, while in another section of the coun-try it will be necessary to drive piles to support the founda-tions for the heavier machines. Fig. 1 shows a style offoundation very much used; the foundation proper is madeof brick laid with 1 part of the best cement to… … i^!.f*g*SS!?S.«S 7^ H—^^ h-^H J L Fig. 1. Wherever the machine is to be belt-driven, means shouldbe provided for tightening or slacking the belt. On mostmachines this is usually accomplished by screws or bymounting the machine on rails or on a subbase and movingthe machine by means of a ratchet…
Electrical engineering
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