This is a Ramsey LED clock kit (the first they ever offered!).
Click
here for more information.
An Optoelectronics kit for a six-digit clock, circa 1976.
Click
here for more information.
An Optoelectronics six-digit clock in a custom case.
Click
here for more information.
A Kysor (of Cadillac) four-digit LED clock with alarm, intended for
automotive installation.
