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The Edison Mimeograph (Model 4) and 2 Copying...
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2 Duplicating Apparatuses, c. 1900-20...
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2 Photocopiers, c. 1930...
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3 Duplicating Apparatuses, c. 1900-20...
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4 Check Writers...
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Multiple Writing Machine by Edwin T. Ponting,...
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Porcelain Sculpture of Johannes Gutenberg by ...
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4 Check Writers...
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Mignon Pencil Sharpening Machine, c. 1910...
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Rotary Neostyle Duplicator, c. 1905...
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The Universal Multi-Value Franking Machine, c...
