The object has a 3.625" X 2.625" screen and 12 unlabeled pushbuttons on the left and right sides of the screen. There is a horizontal knob underneath the screen. The object is mounted to a plywood base.
Date
Circa 1980s
Manufacturer
ETAK, Inc.
Identifying Numbers
Other number
457
On a green sticker on the under side of the object.
