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The Fountain Pen Patent Archive

The instruments that put ink under pressure

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No-spring mechanism

A patent drawing showing a longitudinal cross-section of a slender stylographic fountain pen, revealing an inner flexible tube running from a rubber diaphragm near the cap down to a fine needle point, with labeled parts including the barrel (A), point-section (B), air-duct (D), needle (e), diaphragm (G), and protective cap (F).

STYLOGRAPHIC FOUNTAIN-PENMarion H. Kerner · July 3, 1883

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