Original oil and gas trade magazine vintage ad for ELECTRIC MACHINERY MANUFACTURING COMPANY of Minneapolis, MN. Safuse 180 Draw-Out Motor Controls, a NEMA Class E-2 medium voltage controller. A 180-degree turn of the handle disconnects the contactor assembly electrically from the bus and also draws it smoothly and effortlessly three inches forward. Time saving convenience, and space-saving versatility. This unique 1962 old technical petroleum industry electric motor control equipment magazine advertisement would display beautifully matted and framed. Two page gatefold advertisement.