Martin Semi Automatic Key

Object/Artifact

-

Radio Alpha

Name/Title

Martin "Semi Automatic Key"

Description

Semi-Automatic Key

Category

Keys, Semi-Automatic

Made/Created

Manufacturer

Ora F Martin

Date made

1930

Valuations

Value

$12.75

General Notes

Note

QST, Oct 1930, p. 87. (this was the only ad seen)