Product number (P/N): Speech+,
Keywords/Tags: Speech+
Date of intro: 1975, Origin: USA (List), Dimensions: 180x115x0mm,
Power: 4.8V: (1.2V x4) Rechargeable,
Display: Type = Display (LED) (List), Digits = 8+1,
Number of keys: 23, #Key-Black: 23,
Miscellaneous switch: [ON-OFF],
Classification: / Pocket / Speech,
Featuring: Procent, Square root,
Related with: TELESENSORY SYSTEMS_docu: S17401C (Owner's Manual Speech+),
Main Components: TELESENSORY SYSTEMS: S16001B; TELESENSORY SYSTEMS: S16009B,
Original Equipment Manufacturer : TELESENSORY SYSTEMS: Speech+ (List of all Export-OEM-models from TELESENSORY SYSTEMS), Resemblance with: AMERICAN PRINTING HOUSE (APH): Speech+; RENO: S1B, Made by: TELESENSORY SYSTEMS (List of all Import-OEM-models for TELESENSORY SYSTEMS),
Known Serial-numbers: S1A000410 (S1A 000410) | S1A005259 (S1A 005259) | S1A006077 (S1A 006077) | S1A006686 (S1A 006686) | S1A03712 (S1A 03712) | S1A04158 (S1A 04158) | S1A04161 (S1A 04161) | S1A04262 (S1A 04262) | S1B000605 (S1B 000605) (List of all S/Ns from TELESENSORY SYSTEMS)
Collector value: 9/10,
Courtesy of: CALCUSEUM (Serge DEVIDTS),
Internet: Link-1: VINTAGE CALCULATORS WEB MUSEUM