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Dorr - Cloth Shearing Machine, US Patent 46X of 1792 (1792)
Samuel G. Dorr · leaf 2
2 Sheets—Sheet 1, 8G. DORR. 46X CLOTH SHEARING MACHINE. Patented Oct. 20, 1792.Patents · Nara rg241 · US patents · X patents · Textiles · Cpc d06c13/00
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