Modern mechanism, exhibiting the latest progress in machines, motors, and the transmission of power, being a supplementary volume to Appletons' cyclopaedia of applied mechanics (1892)
Benjamin, Park, 1849-1922 · New York, D. Appleton · leaf 475
surface. After the second hammer-ing the ])acket is broken, tlie sheets examined to p,^,^ascertain if any are welded together, and com-jiletely finished cold sIkmIs are placed alternately between those of the packet, thus making alarge packet of from 140 to 200 sheets. It is supposed that the… … Fio. 4.-The Qesiier rust-proof process. KEYS. 455 For this purpose the trip-hammer used has a smaller face than the others, having an area ofabout 17 to 21 in. When the hammering has been properly done, the packet has received 60blows, equally distributed, and the sheets should have a perfectly…
Mechanical engineering
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