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Micrometer device for operating the movable straightedge of a line-up table and the like
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Electrically operated tape perforating machine
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Micrometer device for operating the movable straightedge of a line-up table and the like
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Electromechanical device and improved armature therefor
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Machine for cleaning the matrices of a photographic line composing machine
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Auxiliary keyboard and operating mechanism for typesetting and similar machines
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Composing apparatus for phototypographical machines
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Electrically operated tape perforating machine
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Automatic sequential leadering apparatus for tape perforating machines
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