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Johnson 114-520 Special Model Semi-Automatic Key
Object/Artifact
-
Radio Alpha
Name/Title
Johnson 114-520 "Special Model Semi-Automatic Key"
Description
Semi-Automatic Key
Category
Keys, Straight
Made/Created
Manufacturer
E. F. Johnson
Date made
1959 - 1959
Valuations
Value
$13.95
General Notes
Note
QST, Jul 1959, p. 152. Probably much earlier than this.