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#31
01-26-2005, 12:46 PM
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The Chromatron switched the beam from one phosphor to another with a grid near the screen. The Apple actually tried to hit the correct phosphor from way back at the deflection yoke.
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#32
01-26-2005, 12:50 PM
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Could you check the exact date code? (should be on a label on the cabinet when you remove the back). Rectangular tubes started to be advertised by Motorola in '64 for the '65 model year. You can see the progression from round to rectangular in the RCA ads in following years - first ads with mostly round, and later with mostly rectangular, then all rectangular.
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