File:EB1911 Typography - Diagram of Linotype Machine.jpg
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DescriptionEB1911 Typography - Diagram of Linotype Machine.jpg |
English: Diagram of the Linotype machine: In the magazine A are a series of matrices, formed with the characters in intaglio on one edge, which are discharged by gates, operated from the keyboard D into the chutes E, and thence upon the travelling belt F; this delivers them upon a revolving pusher wheel by which they are set up in proper order in the assembler block G. Above the assembler block is a space magazine, and from this the space key J releases a space bar, when desired, which drops into place in the line. As the matrices are forced into the assembler block they move to the left against the resistance of a sliding abutment, thus being held compactly in place in the line. As soon as a complete line is set up, the compositor operates a hand lever by which the assembler block and matrices are raised to the level of a horizontal slide, where the line is grasped between two jaws and carried to the left, and lowered into position opposite the mouth of the mould wheel K. Here the justification of the line is effected by means of an upwardly moving plunger which drives the wedge-shaped spaces, seen in fig. 10, into the line, and thus expands it to the exact length required. The matrices are then locked firmly in a vice with the characters opposite the mouth of the mould. At this time the pump plunger in the melting pot M is forced downwards by mechanism actuated by suitable cams on the driving shaft, and a jet of molten type metal is ejected into the mould and against the characters on the matrices, thus casting the bar or “slug.” The cast bar is next forced, by a revolution of the wheel K, between a pair of knives, by which it is trimmed, and into a galley, where it is pushed along by a packer arm and placed beside its fellows in a column ready for use. |
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Date | published 1911 | ||||
Source | Encyclopædia Britannica (11th ed.), v. 27, 1911, p. 546, Fig. 9. | ||||
Author | Unknown authorUnknown author | ||||
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current | 19:06, 26 December 2015 | 717 × 836 (189 KB) | Library Guy (talk | contribs) | {{Information |Description ={{en|1=Diagram of the Linotype machine: In the magazine A are a series of matrices, formed with the characters in intaglio on one edge, which are discharged by gates, operated from the keyboard D into the chutes E, and t... |
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