In Reply to: RE: I see that now. The tube on the far left is a French Metal TM from WWI. posted by Alpha Al on March 29, 2017 at 18:13:08:
four pin tubes, as Moorhead was contracted in WWI to supply the British military who had been using the French tube designs.
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Follow Ups
- Yeah, the book mentions that the Moorheads were copies of the French - alaskahiatt 20:41:22 03/29/17 (0)