-Dumore- Boiler Thermometer by George J. Meyer

C-18882 c. 1920s/1930s; Geo. J. Meyer Manufacturing Co. - Milwaukee, WI Cast metal boiler thermometer produced for use on Dumore bottle cleaner machines, designed to monitor operating temperatures during commercial bottle washing and sterilization. The heavy rectangular housing frames a glass mercury tube with a clearly graduated Fahrenheit scale, marked from 60° up to 260°, allowing operators to quickly confirm proper heat levels during cleaning cycles. The maker's name-Geo. J. Meyer Manufacturing Co.-is prominently stamped along the body, tying the piece directly to one of the Midwest's better-known producers of bottling and beverage-processing equipment. Thermometers of this type were integral components of Dumore bottle cleaners, which were widely used by bottling works, breweries, a...