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J.F.D. Strobascope Disc

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Records1945 of 2836Blank Recordio Disc from 1950Old Boy Scout 78 record
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    Posted 13 years ago

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    musikchoo
    (638 items)

    This is a Strobascope Disc. I think it is to test the revolutions of a turntable for different speed records. It is to be viewed as it is revolving for different size records with a Neon or fluorescent light. Can anyone tell me when this Disc wasused . Thanks for the help.

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    Comments

    1. kerry10456 kerry10456, 13 years ago
      It's like the speed strobe on a JVC direct-drive turn table, the dotted lines will appear to be turning the wrong direction or stable at the RPM. I don't know how you'd adjust the speed on a rubber band turn table, but the direct drives, you adjust the speed with a pot on the side.
    2. musikchoo musikchoo, 13 years ago
      Thanks for the info Kerry, I appreciate it !!
    3. TubeAmp TubeAmp, 13 years ago
      Belt drives have a turnscrew that changes the angle at which the belt rides. This is from 1960 or before.

      T A

      P. S. LED lights work too for this disc.
    4. musikchoo musikchoo, 13 years ago
      Thank You TubeAmp !!

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