[Test-Equipment] Information needed

[W1GOR]

Does anyone have any information about a bench-type variable/isolated AC =
power supply, labeled:

VIZ WP-30 . . . ?

RCA was in the test equipment business during the early days of TV (c. =
1940's thru c. 1970's).  After a while, the RCA Test Equipment brand =
name was changed to VIZ, and recently, a search for VIZ on Google, =
results in a few comments about Vector/VIZ...=20

Thanks,

Larry - W1GOR

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