Data Engineering TTD-4

Object/Artifact

-

Radio Alpha

Image: Ham Radio, May 1973

Name/Title

Data Engineering TTD-4

Description

Touch-Tone Dialer

Category

Kit, Other

Made/Created

Manufacturer

Data Engineering Inc

Date made

1973 - 1974

Valuations

Value

$49.00

General Notes

Note

Ham Radio, May 1973, p. 93. Ham Radio, Apr 1974, p. 41.