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COLEX: ESR70
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AKA (Label): ESR-70, Product number (P/N): ESR70 (ESR-70),
Keywords/Tags: ESR70 (ESR-70)
Date of intro: ~1975, Origin: Hong Kong (List),
Power: 6V: (AA x4) + Adaptor,
Display: Type = Display (VFD) (List), Digits = 8+1+(2+1),
Number of keys: 25, #Key-Black: 14, #Key-SilverColor: 11,
Classification: / Pocket,
Featuring: Scientific functions, Square root, PI, Logic-technology: VLSI (Very Large Scale Integration), calculator-on-a-Chip,
Main Components: COLEX: ESR70-1,
Known Serial-numbers: A21122 (List of all S/Ns from COLEX)
Collector value: 7,5/10,
Courtesy of: SPIESS Heinz,

Item

Rear / Adaptor-, power-connection
(Courtesy of: SPIESS Heinz)

Internals
(Courtesy of: SPIESS Heinz)

Label / Bottom / Battery compartment
S/N: A21122
(Courtesy of: SPIESS Heinz)

Created: 09-apr-2001, Manual-update: 08-feb-2021, Batch-update: 21-jun-2021             

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