This is a black and white image of Pfc. Homer Spence, in left background, holding an ENIAC digit tray. There is another unidentified man on the bottom right of the image helping Homer hold the tray. Text on verso side reads "Picture 22 Pfc. Homer Spence, one of the maintenance engineers, examining a digit tray. These trays of eleven conductors and a ground. These shielded wires carry the ten different groups of pulses as well as the sign indication." Light is coming from overhead. Written in pencil on small white round label on original protective sleeve was "1108-8".