The heathkit electronic analogue computer consists of a single unit, housed in a metal box frame, with a grate pattern on the top, back and base to allow for air flow. A small screwed plate can be removed from the top to allow access to the internal components The front section of the heathkit features, in the centre, a series of toggles, switches and input/output sockets for altering the coefficient potentiometers, the initial conditions, the relay conatcts and the amplifier balance. To the right of these there an amplifier output socket, a meter input socket, an amp meter gauge, and a group of selector switches for adjusting amp output levels, meter range, repetition rate and manual operation. There is also a small on/off switch with a green light above. Above the switches in the top centre, "Heathkit EDUCATIONAL ELECTRONIC ANALOG COMPUTER / MODEL EC-1", can be found, while "Heath Company . A SUBSIDIARY OF DAYSTROM. INC . BENTON HARBOR, MICH", is printed at the bottom.
On the back in yellow ink On the back, "B3725"
Dymo label, "ALLOW 15 MINS WARM UP"