MAWORCES-L Archives

From: Sandy Blakley <>
Subject: [MAWORCES] Vacuum Tube Manufacturer
Date: Thu, 13 Mar 2008 10:11:43 -0700 (PDT)

Could this be your answer?

Sylvania
With roots in Massachusetts in 1901, the lamp and vacuum tube manufacturer adopted the name Sylvania Electric Products, Inc., in 1942 and merged with General Telephone to form GTE Sylvania in 1959. The Semiconductor Division based in Woburn, MA developed high frequency transistors and introduced the first commercial TTL family in 1963.

This doesn't say where they were making the tubes in MA, but Sylvania was definitely one of the 5 leading US manufacturers of tubes--others were RCA, GE, IMAC, etc. My husband tells me that during WWII there were other small companies around the country who operated as a joint venture with the military to fill the need and tubes made were issued a JAN # (Joint Army Navy).

You might possibly check with a local museum there or research librarian.
Sandy


Sandra Lee Blakley
336 South 30th St.
Philomath, OR 97370
541-929-2259


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• [MAWORCES] Vacuum Tube Manufacturer by Sandy Blakley <>