Loom, US Patent No. 1964
Sample pages
Page 1, at reduced quality. Open the document to read every page in full.
US Patent No. 1,964 (February 3, 1841; reissued May 13, 1857) granted to Alexander Calderhead of Philadelphia for a figure-weaving mechanism. It replaces the draw-loom harness with independent metallic heddles lifted or lowered directly by a rotating pattern apron and trunk, operated by a foot lever and ratchet wheel. The scan includes the specification, the claim, and one drawing sheet showing the loom frame.
- Type
- Patent
- Date
- February 3, 1841
- Language
- English
- Pages
- 4
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From Ralph Griswold's Digital Archive, delivered by the University of Arizona.
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