. Digest of agricultural implements, patented in the United States from 1789 to July 1881 ... Agricultural machinery; Patents. CULTIVATORS-DISK, No. 120,<46. â ^ / , 3;. t i G, P THARP. Improvement in Harrows. 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); United States. Patent Office. [New York, Printed by J. C. Von Arx

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Keywords: ., bookcentury1800, bookdecade1880, booksubjectagriculturalmachiner