Farmer's Favorite Sickle Grinder"Boyer & Radford, Dayton Ohio makers of the famous Maxon patent lever and screw jacks have brought out this season a very meritorious device for sharpening mower and reaper knives. They have succeeded in producing a grinder that will grind a knife section at the same angle at which it left the maker's hands." From the Farm Implement News, 1898
The Diamond Mower Knife GrinderSold by Whitman & Barnes, the "Diamond" was advertised in a 1900 issue of Farm Machinery.
Grinding MachinePatented Jan 26, 1897, by Delos Danforth, of Elhart, Indiana
The Star Sickle GrinderClizbe Bros "Star" automatic sickle grinder used multiple gearing to turn the stone at 3000 rpm, 3 times faster than any other grinder (according to an ad in Farm Machinery, in 1900). A.R. Clizbe, of Chicago, patented this grinder on May 22, 1900.