PITTSBURGH, PA. U.S.A. PAT. A QUALITY HEAVY DUTY BENCH GRINDER. THE ITEM IS OLD AND USED, SO IT SHOWS THE NORMAL SIGNS OF AGE, USE AND STORAGE WEAR.
Vintage Keystone Railroad Tool Grinder. Keystone Grinder & Mfg Co. Pittsburgh PA
Bench-Mounted Keystone Railroad Tool Grinder - Pittsburg Pa - Vintage Tool
VTG Keystone Railroad Tool Grinder Pittsburgh, PA Keystone Grinder MFG CO WORKS
VTG Keystone Railroad Tool Grinder Rochester, PA Keystone Grinder MFG CO WORKS
