Note
QST, Apr 1950, p. 115.
QST, Sep 1950, p. 99.
Allied Radio catalog 1951 (copyright 1950), p. 144.
QST, May 1952, p. 80.
Allied Radio catalog 1953 (copyright 1952), p. 42.
QST, Sep 1952, page 77. (Small photos of both units)
QST, Sep 1953, p. 103.
Walter Ashe catalog 1954, p. 12.
Walter Ashe catalog 1957 (probably issued in 1956), p. 14.
Eldico's keyer was the second commercially available keyer after Electric Eye Equipment's "Mon-Key," which was released in 1947.
Based on an article in the Jan 1950 issue of QST (page 48), which was itself based on an earlier article in the October 1948 issue (page 27).
The EE-1 was the basic model. The EE-2 added a monitor.
Kit form or wired.
