AKA: TL-1221, Product number (P/N): TL1221 (TL-1221),
Keywords/Tags: TL1221 (TL-1221)
Date of intro: ~1973, Origin: Japan (List),
Power: AC,
Display: Type = Display (Gas disharge) (List), Digits = 12,
Number of keys: 26, #Key-Black: 15, #Key-White: 11,
Keyboard Array (Rows x Columns): 04x07, Keyboard Layout: [(SquareRoot)] [CM1] [7] [8] [9] [CE] [CA] - [CM2] [RM1] [4] [5] [6] [-=] [%] - [RM2] [M-1] [1] [2] [3] [+=] [(Division)] - [M2] [M+1] [0] [.] [x],
Decimal switch: [6-4-2-0-F], Round switch: [RO-(Blank)], Miscellaneous switch: [K-N], Indicators: M1 M2,
Classification: / Desktop with Display,
Featuring: Procent, Square root,
Resemblance with: (Resemblance 529_4_7_26),
Known Serial-numbers: 10521 (List of all S/Ns from TOKYO ELECTRONIC APPLICATION LAB (TEAL))
Collector value: 7.5/10,