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ROCKWELL: 51R
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AKA: CONVERTER, AKA (Label): Calculator Model 51R, Product number (P/N): 51R,
Keywords/Tags: 51R | CONVERTER
Date of intro: 1974, Origin: Mexico (List), Dimensions: 157x84x28mm, Weight: 270g,
Power: Rechargeable,
Display: Type = Display (VFD) (List), Brand = ISEDEN: DP89A, Digits = 8, Extra Display features: Type = Display (VFD tube) (List), Quantity = 1,
Number of keys: 20, #Key-Black: 8, #Key-Brown: 12,
Decimal switch: [F-2], Miscellaneous switch: [ON-OFF U.S.-IMP LAND-NAUT],
Classification: / Pocket / Converter,
Featuring: Logic-technology: VLSI (Very Large Scale Integration), calculator-on-a-Chip, Memories: 1,
Related with: ROCKWELL_docu: (Ad.) *: Because life is... (10R,12R,21R,51R,61R,63R,82R); ROCKWELL_docu: 2520D61R2407 (Instr.) 51R; ROCKWELL_docu: (Ad.) *: The Answers... (10R,20R,51R,63R,82RE,BSR,ESR),
Components: 33 ... 5 Capacitor(s), 4 Diode(s), 17 Resistor(s), 5 Transistor(s), 1 IC(s),
Main Components: ROCKWELL: A4004PC,
Resemblance with: (Resemblance 093),
Known Serial-numbers: 111707 | 112853 | 113753 | 118435 | 122973 | 124144 | 140844 | 194716 (List of all S/Ns from ROCKWELL)
Initial Cost Price: USD99.95, Collector value: 8/10,
Courtesy of: CALCUSEUM (Serge DEVIDTS),
Internet: Link-1: VINTAGE TECHNOLOGY, Link-2: BOB's CALCULATORS and SLIDE RULES

Item

Label, name plate / Examples of use / Bottom
S/N: 113753

Created: 24-apr-2011, Manual-update: 03-jan-2021, Batch-update: 26-feb-2024             

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