Product number (P/N): 1,
Keywords/Tags: 1
Date of intro: ~1972,
Number of keys: 21,
Keyboard Array (Rows x Columns): 04x06, Keyboard Layout: [7] [8] [9] [%] [K] - [-(Circled)] [4] [5] [6] [-] [(Division)] - [CE] [1] [2] [3] [+] [x] - [C] [0] [.] [=],
Classification: / Clones / Desktop with Display,
Serie-members:
(Clones): Resemblance 516_4_4_15
(Clones): Resemblance 516_4_6_17
(Clones): Resemblance 516_4_6_17A
(Clones): Resemblance 516_4_6_20
(Clones): Resemblance 516_4_6_21
(Clones): Resemblance 516_4_6_22
(Clones): Resemblance 516_4_6_22A
(Clones): Resemblance 516_4_6_23
(Clones): Resemblance 516_4_7_20
(Clones): Resemblance 516_4_7_21
(Clones): Resemblance 516_4_7_21A
(Clones): Resemblance 516_4_7_22
(Clones): Resemblance 516_4_7_23
(Clones): Resemblance 516_4_7_24
(Clones): Resemblance 516_4_7_25
(Clones): Resemblance 516_4_8_26,