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The Fountain Pen Patent Archive

The instruments that put ink under pressure

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Washington d.c. inventor

Patent drawing showing four views of a metal pen nib labeled Fig. 1 through Fig. 4, illustrating differing widths of the left (A) and right (B) sides of the tip and a beveled edge in cross-section.

IMPROVEMENT IN WRITING-PENSHenry D. J. Pratt · June 20, 1876

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