. Allen's digest of plows, with attachments, patented in the United States from 1789 to January 1883 ... Plows; Patents. ^32 REVOLVING MOLD BOARDS. W. A. ESTES. Plow. No. 212,20S. Patented Feb. II, W, H-HAERINSTON & A. E. MERRILL. P\ow. lo. Patented June 10. IS79. Fial. 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

---

Size: 1404px × 1781px
Photo credit: © Library Book Collection / Alamy / Afripics
License: Licensed
Model Released: No

Keywords: ., bookcentury1800, bookdecade1880, booksubjectpatents, bookyear1883