. Allen's digest of plows, with attachments, patented in the United States from 1789 to January 1883 ... Plows; Patents. -PV^ J^J DTTINTOJl- No. J. F. ELLIS & C EOBINSON. Flow-CleviB. Patented July 23, 1878. W. E. WHITCOMB. Plow. No. 206,511. Patented July 30, 1878. ht/t. A. Please note that these images are extracted from scanned page images that may have been digitally enhanced for readability - coloration and appearance of these illustrations may not perfectly resemble the original Allen, James T. (James Titus). [Washington, D. C. , Joseph Bart, Printer

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Keywords: ., bookcentury1800, bookdecade1880, booksubjectpatents, bookyear1883