Product number (P/N): 4509B,
Keywords/Tags: 4509B
Date of intro: 1975, Origin: Japan (List), Dimensions: 140x76x30mm, Weight: 155g,
Power: 6V: (AA x4) + Adaptor, Adaptor: CRAIG_adaptors: 9227,
Display: Type = Display (LED: segmented block) (List), Digits = 8+1,
Number of keys: 20, #Key-Black: 7, #Key-Red: 2, #Key-White: 11,
Miscellaneous switch: [ON-OFF],
Classification: / Pocket,
Featuring: Procent,
Resemblance with: AML: LE8C,
Known Serial-numbers: 7432346 | 7445465 (List of all S/Ns from CRAIG)
Initial Cost Price: USD40.00, Collector value: 8/10,
Courtesy of: CALCUSEUM (Serge DEVIDTS),
Internet: Link-1: SMITHSONIAN MUSIC