1920's ADVANCE COIN-OP OPERATED ELECTRICITY PENNY ARCADE SHOCK MACHINE. ANTIQUE ADVANCE COIN OPERATED ELECTRICITY PENNY ARCADE SHOCK MACHINE. PAT'D AUGUST 8, 1916 Very nice paint. THE MARQUEE SAYS "ELECTRICITY ONE CENT. INCREASES THE CIRCULATION. PURIFIES THE BLOOD. IMPROVES THE HEALTH. DIRECTIONS: 1. PLACE COIN IN OPENING BELOW. 1. TURN HANDLE IN CENTER TO RIGHT AS FAR AS IT WILL GO. 3. GRASP LOWER HANDLES, TURN RIGHT ONE SLOWLY" Looks to be in RESTORED CONDITION. APPROX. 13.5 " HIGH TO TOP OF THE MARQUEE. BASE IS APPROX. 8" X 7". WEIGHS APPROX. 13 LB. When the penny is inserted, and the two silver knobs are held, one with each hand. The right hand slowly twists the right knob increasing the voltage (indicated by a mechanical guage on top) until the player can take no more. Once the penny is inserted, You hear a internal clock that clicks for about 45 seconds. I have never open up the machine or put a fresh battery to test the machine. Very nice collectible restored machine. Please see pictures.