Artifact Details


Analog computer

Catalog Number



Physical Object


This object is a Comdyna GP-6 analog computer. It is housed in a rectalinear metal box with unusual tilted feet.
The front panel has a 14 by 8 grid of banana jacks connecting 8 amplifiers,2 multipliers, 8 multiturn potentiometers and 6 summing networks on the left. There is a 3 1/2 digit digital display, an overload light, 8 multiturn potentiometers, 4 rotary switches, and 4 mode sector buttons on the right. The banana jacks are colored red, yellow, green, or tan depending on function, and there are two patch wires connected. Two knurled screws allow the front panel to fold down to expose the internals.
The right side of the rear panel has a female AC connector and fuse housing.
On the left side rear are 8 screw terminals in a 4 by 2 array, labeled, Y output, X output, OP Output, and -15V on top, and Meter Input, GND, OP Input and +15V underneath. There is also a hole for a female DB25 connector at the bottom rear.


Comdyna, Inc.

Place Manufactured

Barrington, IL

Identifying Numbers

Model number GP-6 Print on metal plate on rear
Serial number 661 Stamped on metal plate on rear


overall: 9 in x 21 in x 14 in


Analog Computer


Gift of Comdyna, Inc.

Lot Number