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Knight's Mechanical Encyclopedia (ed. Knight), P. (search)
punch the perforations necessary for the message complete; and on releasing the finger-key, the paper is drawn along the proper distance by a peculiar feeding mechanism, and the perforations are made in two lines, so that where three or more perforations are placed triangularly, a long pulsation may result from the metallic connection being made through these perforations successively, the contact being made through the second perforation before ceasing through the first, and so on. See also Little's patents, Nos. 91,240, 91,241. Eddison's perforating-machine Paper-polishing machine Machine for polishing enameled paper Paper-polishing machine Pa′per-pol′ish-ing ma-chine′. A machine for surfacing paper by a burnishing action. A fine surface is given to paper by calendering and by pressure between glazed boards or hot plates. See calendering. In Fig. 3536, the paper is carried on an endless belt F of rubber, velvet, or other material, passing over the table B. The bu<