. Digest of United States automobile patents from 1789 to July 1, 1899, including all patents officially classed as traction-engines for the same period. Chronologically arranged ... together with lists of patents in the classes of portable-engines, traction-wheels, electric locomotivs, and electric railway battery systems ... . 38 STEAM m. 139,997. D. H. Engines. 3 Stie«ls--Sheel 3. Patented June 17, -2FV. rf-.

---

Size: 1690px × 1479px
Photo credit: © Reading Room 2020 / Alamy / Afripics
License: Licensed
Model Released: No

Keywords: ., bo, bookcentury1900, bookdecade1900, bookiddigestofunitedst00alle