Virtual Valve Museum
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216A 216A triode.
Details on the base are:
Western Electric
Made in USA
216A
Pat in USA
1-15-07 two patents
2-18-08 6-24-19
10-17-16 12-19-16
12-17-18 1-27-20
Pats. applied for
216A216A

This file was last modified 15:36:11, Saturday November 12, 2011