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The Fountain Pen Patent Archive

The instruments that put ink under pressure

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Distributing tube

A sequence of six technical line drawings showing the underside plan and longitudinal cross-sections of a 19th-century fountain pen holder, each labeled with letters marking the reservoir, elastic tube, distributing tube, nib, and thumb-plate components.

RESERVOIR PEN-HOLDERJohn Darling · September 3, 1867

United States patent drawings and specifications are works of the U.S. government and are in the public domain — they were never copyrighted. Download them, print them, frame them. Our commentary and descriptions are © 2026 The Fountain Pen Patent Archive.

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