Orbit X-Y Ball Tracker

Orbit Instrument Corporation made this homely old heavy duty Trackball. Orbit said that this trackball was issued in 1966. It was installed in a control panel in a Military Air Traffic Control Tower.

Orbit Instrument Corp. specializes in products for the Military and Air Traffic Control Systems that require a high degree of operational reliability over extended periods of time. The top plate is approx 8" x 8" and weighs approx 4lbs. The ball looks like an 8 ball. This will not hook up to a PC.

It seems a logical leap for the bright former naval radar technician, Doug Engelbart, to invent the first mouse in the mid 60s...

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