Antique F. Weber & Co. “Sphinx” Section Liner, a specialized mechanical drafting instrument used for creating evenly spaced parallel section or hatch lines on architectural, engineering, and technical drawings.
Marked:
F. WEBER & CO.
PHILA.
Patent markings on this example read:
PAT’D JULY 14, 1891
PAT’D JULY 17, 1906
Features a wooden guide arm and base with metal mechanical components. The adjustable mechanism allowed a draftsman to advance the guide in consistent increments for accurately spaced parallel lines—a fascinating piece of early drafting technology.
Excellent collectible for an architect, engineer, draftsman, artist, or collector of antique technical instruments.
Aesthetics: industrial • architectural • engineering • antique drafting room • dark academia • vintage office
Antique condition with scratches, finish wear, marks, and metal patina consistent with age and use. Manufacturer and patent markings show wear but remain visible. Drafting accuracy has not been tested, and completeness has not been verified. Please review photos carefully.
Thoughtfully sourced and curated by FoundThingsRI.
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