The engineer's sketch-book of mechanical movements, devices, appliances, contrivances and details employed in the design and construction of machinery for every purpose; (1902)
Barber, Thomas Walter. [from old catalog] · New York, Spon & Chamberlain · leaf 37
^t^^^^~^^^ 200. I 201 >K 202 … 32 THE ENGINEERS SKETCH-BOOK. 201 & 205. Drive chains. See Ewarts patent, No. 2752-76, andothers. These chains are replacing belts for many purposes, asthey give a positive drive, do not stretch so much, and last longer,besides which they are easily detached at any point, and adamaged link can…
Mechanical movements
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