AKA: ESR, AKA (Label): MODELLO NUMERO ESR/06, Product number (P/N): ESR06 (ESR/06),
Keywords/Tags: ESR06 (ESR/06)
Date of intro: ~1975, Origin: Mexico (List),
Display: Type = Display (VFD) (List),
Number of keys: 20, #Key-Black: 1, #Key-White: 19,
Miscellaneous switch: [Degrees-Radians On-Off],
Classification: / Pocket,
Featuring: Square root, PI,
Related with: ROCKWELL_docu: (Ad.) *: The Answers... (10R,20R,51R,63R,82RE,BSR,ESR),
Original Equipment Manufacturer : UNICOM: 202SR, Resemblance with: (Resemblance 093), Made by: UNICOM (List of all Import-OEM-models for HARDEN),
Known Serial-numbers: 016710 | 018880 (List of all S/Ns from HARDEN)
Collector value: 8/10,
Courtesy of: ELIFANI Angelo,