AKA (Label): electronic calculator, a Product of Texas Instruments Incorporated,
Date of intro: ~1972, Origin: USA (List), Dimensions: 140x76x44mm, Weight: 185g,
Power: Rechargeable,
Display: Type = Display (LED) (List),
Number of keys: 18, #Key-Grey: 17, #Key-Orange: 1,
Keyboard Array (Rows x Columns): 05x04,
Miscellaneous switch: [CHAIN-CONST],
Classification: / Pocket,
Original Equipment Manufacturer : TEXAS INSTRUMENTS: 2500, Made by: TEXAS INSTRUMENTS (List of all Import-OEM-models for LONGINES SYMPHONETTE),
Serie-members: LONGINES SYMPHONETTE: (Unknown model 1) (Beige, [CE/D]-key); LONGINES SYMPHONETTE: (Unknown model 2) (Green, [CE/D]-key); LONGINES SYMPHONETTE: (Unknown model 3) (Beige, [CE]-key),
Known Serial-numbers: D100002822 (D1000-02822) | D100008121 (D1000-08121) | D100011810 (D1000-11810) | D100020495 (D1000-20495) (List of all S/Ns from LONGINES SYMPHONETTE)
Collector value: 8/10,
Courtesy of: CALCUSEUM (Serge DEVIDTS),