NUMBER Bootleg Eng.
EDTC-l EDTC-2 EDTC-3 EDTC-3A EDTC-3B EDTC-4 E-581 E-529 E-585 E- 601 Old 1160 E-635 E-657 E-697 E-700
CRT Display Drum Machine
NAME
Line Machine - Never Built Line Machine, First Version
(No Store or Recall)
Line Machine, First Prototype 130 Calc. as Released (E-516) Cap Counter (E-532)
Square Root Machine 132
152 Printing-Display Calculator 150 then 1150 Printing Calculator 130A (3 Counter 130)
130 to 150 Interface
First IC Display Calc. (Never Built) 1151 Programmable Calculator
1160 Display Calculator
1162 Square Root Display Calculator 1161 Programmable Display Calculator
APPROXIMATE DATE STARTED May 1961 Nov 1961 May 1962 Jun 1962 Mar 1963 Oct 1963 Nov 1962 Jan 1964 May 1964 Oct 1964 Aug 1965 Oct 1965 Jan 1967 Apr 1967 Aug 1967 Feb 1968 Jul 1968