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Patent Model of a Numbering Machine
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Patent Model of a Numbering Machine

Robinson, William · ca 1881 · metal (overall material)

From the collection of National Museum of American History. Free to download, adapt and use — no permission needed.

About this work

This patent model demonstrates an invention for a numbering machine, granted patent number 245220. The patent details a numbering machine in which blank spaces were filled by a character, such as a star or dash, to prevent the alteration of figures after printing.

National Museum of American History’s own description
Subjects
Numbering MachinePatentsDELETE - Numbering MachineReliefModelsWork and Industry: Graphic Arts
Credit linePatent Model of a Numbering Machine. ca 1881. Robinson, William. National Museum of American History. CC0.
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