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The Fountain Pen Patent Archive

The instruments that put ink under pressure

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Gravity-feed reservoir

Patent drawing of a hand gripping a cylindrical pen-like sign-writing apparatus, its handle-tube curving via an elbow up to an inverted conical liquid reservoir, with a rolling guide caster arm extending outward for steadying the tool on a surface.

SIGN-WRITER'S APPARATUS.Herman C. Carver · February 9, 1897

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