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Johnson 114-450 Code Practice Set
Object/Artifact
-
Radio Alpha
Name/Title
Johnson 114-450 "Code Practice Set"
Description
Code Practice Set
Category
Code Practice Set
Made/Created
Manufacturer
E. F. Johnson
Date made
1952 - 1959
Valuations
Value
$2.64
General Notes
Note
QST, Nov 1952, p. 99. (probably much earlier than this) QST, Jul 1959, p. 166.