Original oil and gas trade magazine vintage ad for MIEHLE PRINTING PRESS & MANUFACTURING COMPANY.  Motor Division  Main office and factory was located at 219 Bloomfield Avenue, Bloomfield, NJ. Now... Take AC Power Anywhere A Vehicle Can Go. Mo-Bil-AC (Mobile AC Power Supply). Driven by vehicle engine, supplies up to 10 KW at 110-220 volts. Unique 1955 old petroleum oilfield industry mobile electrical equipment power magazine advertisement. Approximate size 9 x 12 inches.