Inside Out Library

I.C.S. reference library : a series of textbooks prepared for the students of the International Correspondence Schools and containing in permanent form the instruction papers examination questions, and keys used in their various courses (1904)

International Correspondence Schools · Scranton : International Textbook Co. · leaf 234

An illustration from I.C.S. reference library : a series of textbooks prepared for the students of the International Correspondence Schools and containing in permanent form the instruction papers examination questions, and keys used in their various courses, 1904, leaf 234 — Fig. 13. Fig. 14. MACHINE ELEMENTS. 9 … ^ -^ Fig. 15. 13. Balancing Pulleys.—All pulleys that rotate at highspeeds should be balanced. If they are not, the centrifugalforce that is gener-ated by the rota-tion of the pulley,is greater on oneside than on theother and will causethe pulley shaft tovibrate and shake.Pulleys are…

Bookkeeping · Textile fabrics · Textile factories

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