Appletons' cyclopaedia of applied mechanics: a dictionary of mechanical engineering and the mechanical arts (1880)
D. Appleton and Company, Benjamin, Park, 1849-1922 · New York, D. Appleton · leaf 289
gs is shown in Fig. 2740,and is such that they cannot work later-ally out of their places or bind. Therims between the teeth being of equalsize, they roll easily when pressed togeth-er. The uppermost roller is set in looseboxes, upon which pressure is applied bymeans of a wooden spring, as shown… … LAUNDRY MACHINERY 277 The rubber is also rapidly softened and destroyed. To obviate this difficulty, the shaft is first var-nished, then wound with linen thread, after which several more coats of varnish are applied, and Mm** m\ 2740. 2741.
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