This is a black and white image of Harry Huskey standing next to the ENIAC machine and turning a dial with his right hand. He is wearing a suit and tie and looking at the oscilloscope. Text on verso side reads "Picture 23 The Initiating and Cycling units of ENIAC. The picture on the oscillopscope shows one of the fundamental electrical signals transmitted to all units of the machine. The bank of neons above the scope correspond to the twenty different parts of an addition. Each of these parts represent 1/100,000 of a second." Written in pencil on small white round label on original protective sleeve was "1108-7."