07-09-2009, 12:26 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
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,
The Philco Repair Bench
[Image: http://www.philcorepairbench.com/images/philog3tiny.gif]
http://www.philcorepairbench.com
