AKA (Label): MODEL 307, ELECTRONIC CALCULATOR, Product number (P/N): 307,
Keywords/Tags: 307
Date of intro: 1974, Origin: USA (List), Dimensions: 216x165x56mm,
Power: AC,
Display: Type = Display (Gas disharge) (List), Digits = 10+1,
Number of keys: 22, #Key-Black: 11, #Key-White: 11,
Keyboard Array (Rows x Columns): 04x06,
Miscellaneous switch: [ON-OFF],
Classification: / Desktop with Display / Time,
Featuring: Procent, Logic-technology: VLSI (Very Large Scale Integration), calculator-on-a-Chip, Memories: 1,
Main Components: MOSTEK: MK50203N,
Original Equipment Manufacturer : CORVUS: 307 (List of all Export-OEM-models from CORVUS), Resemblance with: J.C.PENNEY: 2525,
Known Serial-numbers: 307101582 (307-101582) | 307106040 (307-106040) | 307118613 (307-118613) | 307120656 (307-120656) (List of all S/Ns from CORVUS)
Collector value: 8/10,
Internet: Link-1: DATAMATH CALCULATOR MUSEUM