Note
QST, Dec 1935, p. 92.
QST, Mar 1936, p. 90. (No photo. "This new machine is remarkable.")
Radio News, Mar 1936, p. 551. ("A Perfect Code Teacher")
QST, Nov 1936, p. 98. (photo jives with the one in the 1937 handbook)
Radio Amateur's Handbook, 1937, p. 501 (catalog section)
Records and plays back by means of "visible dots and dashes."
QST, Oct 1937, p. 96.
A new "all electric" version of the Ham Special was released in 1937.
QST, Nov 1942, p. 118. (looks a little different than the one shown here)