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Six, NEW E.F. Johnson Tube Sockets. Three are Septar Sockets, Cat. No. 122-248, designed for 7-Pin Tubes, RETMA No. #E7-2. Bases are of Steatite with brass contacts. Other Three Sockets are Cat. No. 122-237 for Giant 7-Pin Tubes, RETMA No. A7-12, such as the 813, HK-257 and 4E27. Socket material is of Steatite having a ventilating 3/4" Diam. hole in center. Both Socket Dimensions are: 2-3/8" Sq. and 1/4" thick. (please look at our rules and privacy policy) |
gina-lowery@machine--tools.com (Gina Lowery) for additional information. This email is used for forwarding to newsgroup user.
