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Early Color Television

SKF Monitor (?) Color Wheel

This color wheel was recently donated to the National Capital Radio and Television Museum in Bowie, MD. The motor was made by Bodine. The wheel is unusual in that it has 4 sets of color filters. It is 20 inches in diameter, meaning that the CRT is probably 7 inches in diameter. The motor turns at 1800 rpm, and the gear reduction is 2.5 to 1, making the wheel speed 720 rpm. This is the correct speed for the CBS system. It is likely that this wheel is from a SKF medical system monitor.

Courtesy of the National Capital Radio and Television Museum

If you have any information on this wheel, please contact us.