Original old electrical industry trade magazine ad for ALLIS CHALMERS of Milwaukee, WI. The Ideal Combination Circular Coil for High Voltage Power Transformers. Shell Type. This 1936 industry ma..
Original old electrical equipment trade magazine ad for ALLIS-CHALMERS MANUFACTURING COMPANY of Milwaukee, WI. Proven for Higher Efficiency Lower All around Cost, Mercury-Arc Power Rectifie..
Original old electrical breakers industrial trade magazine vintage ad for ALLIS CHALMERS MANUFACTURING COMPANY of Milwaukee, WI. Right In Every Detail Condit O-Types are All Quick Clearing,..
Original old petroleum trade magazine vintage ad for ALLIS-CHALMERS of Milwaukee, WI. Two-high SpaceMaker high-voltage controller. First dramatic new achievement in high voltage motor cont..
Original old oil and gas industry trade magazine vintage ad for ALLIS-CHALMERS of Milwaukee, WI. One contractor fits them all. Full rated high voltage control. Exclusive Two high space mak..