Note
QST, Oct 1970 p. 159.
Usually paired with the Robot Model 80 camera. Always shown together in advertising.
QST, Sep 1972, inside front cover: Robot goes to factory direct sales and lowers the price to $295.
70A
QST, Aug 1973, p. 131.
70B
QST, Feb 1975, p. 139. (sold concurrently with 70A)
70C and 70D
QST. Nov 1975, p. 145
These both were release sometime earlier. C and D sold concurrently.
QST, Feb 1975, p. 139
General info and kit to convert the 70 to the 70A.
QST, Mar 1975, p. 135.
70B being discontinued -- why did I think this?
QST, Jul 1975, p. 127. (70A/B still avaiable)
QST, Jan 1976, p. 96. (A and B no longer available?)
QST, Apr 1976, p. 97. (70C and D only)
