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Pictures of blue tube in model 70 and cord question
Chuck Schwark
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#2

07-09-2009, 01:26 PM
A typical Arcturus brand tube. Original must have been replaces at one time. Arcturus made blue tinted glass tubes.
Nothing special electronically or mechanical, just tinted glass as a marketing tool.
They do look cool in a breadbord type set where al lthe tubes are visible.

Chuck
Chuck Schwark,
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Re: Pictures of blue tube in model 70 and cord question - by Chuck Schwark - 07-09-2009, 01:26 PM



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