GILBERT A49 WORKING MOTOR AND GEAR BOX, FOR AN ERECTOR SET, 60 CYCLES
You are looking at a" GILBERT A49 WORKING MOTOR AND GEAR BOX, FOR AN ERECTOR SET, 60 CYCLES ONLY.". We have tested the motor and it does make a humming noise. We turned the small knob on the back side to be able to start it and it worked.