. Allen's digest of plows, with attachments, patented in the United States from 1789 to January 1883 ... Plows; Patents. W, COOLBY. Plow. Patented Feb. 5. 1867. ^/a^^ra^ dM^/^^/^ J^/^y^r ^Kl'J ^>» 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