Engraving and printing methods, advertisement illustration, technical- and trade-paper advertising, street-car advertising, outdoor advertising, house publications (1909)
Scranton : International Textbook Co. · leaf 147
Pig. 10 a letter cut in the side, as shown in Fig. 11, and they dropdown, one by one, as the keys of the keyboard are touched.The operator also touches a space key after each word is 20 ENGRAVING AND PRINTING METHODS §28 … composed, which causes a space band to drop. When a lineis nearly full of matrices and space bands, the operator iswarned by the ringing of a bell. He thenpresses a handle attached to the keyboard,and this causes the line to be carried in frontof what is known as the mold wheel, in whichis a slot…
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