reme. When a keybutton is touchedthe action is positive, and a matrix is certainto drop. Note carefully thelarger illustration while read-ing the following explanationof the action. You will readilysee just why Linograph Sim-plicity Means Efficiency. Upon touching the keybutton, the triggeris… … Now note the smaller illustration. Thisshows the hardened steel eccentric camand a section of the roller. These engagelike small gears, insuring an immediateand certain response. Key to Illustration: A—MagazinesB—Matrices,H-63—Trigger.H-27a—Keyboard CamRoller. ■ 1-51—Escapement. H-51—Keybutton…
Printing
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![An illustration from [Graphophone patents] (1878)](https://img.insideoutlibrary.com/img/200/ia-graphophonepaten20unit-979-444.webp)
