Clawson, Chris2020-04-132020-04-13https://dspace.montaguearchive.org/handle/MHS-01376/761Westinghouse Electric & Mfg. Co., Springfield, Mass. – Food Mixer – 5/8 -18" No. 4 "Acorn" Die and Holder threading 5/8" Cold Rolled Steel. Machine: No. 53 Acme Automatic. Part is for Westinghouse food mixer.Photograph also shows "Greenfield 5/8 - 18" thread "Go" gage used in gaging this operation.Greenfield Tap & Die Co.GTD