The mechanical index, 1904. A complete index to the names and addresses of all manufacturers in the United States of mechanical appliances, machinery and tools operated by steam, electricity, water, hand or foot power (1904)
New York, The Industrial Press · leaf 950
TEM OFINCORPORATED CHANGEGEARING which gives allthreads and feeds in dailv use.The TRAVEL OF CARRIAGEIN EITHER DIRECTION is re-versed by handle at side of apron,which is ALWAYS within reachof the operator. This admits ofTWO driving speeds from coun-tershaft and prolongs life of beltsby doing a way…
Machinery
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