overall: 5 1/8 in x 15 1/8 in x 11 1/4 in; transformer: 4 1/2 in x 3 in x 2 3/4 in
This is a hand-built computer in a plywood box. It has a slot with numbered masonite levers sticking out each with switches activated by the position of the lever, and a large paper label with numbers for each lever. Some pairs of levers are rubber banded together. There is a separate power transformer and power cord that is hardwired into the box. There is a also a separate bag with levers on a rod and another bag with a switch.