Accession No

4529.208

Brief Description

Letter logic pocket electronic learning aid, by Texas Instruments, Italian, 1980 (c)

Origin

Italy

Maker

Texas Instruments

Class

computer technology; games

Earliest Date

1980

Latest Date

1981

Inscription Date

Material

Plastic

Dimensions

Length 158mm; width 86mm; thickness 29mm

Special Collection

Francis Hookham Collection of Hand Held Electronic Calculators

Provenance

Donated by Francis Hookham in 1987. Donated to Francis Hookham in 15/06/1981 by Texas Instruments.

Inscription

[Texas Instruments logo] “Texas Instruments” (front, top left)
“LETTERlogic” (front, top right)

Description Notes

Blue and ivory Texas Instruments Letter logic, with white keys.

8-digit (plus a ninth digit for error indication) alphanumeric green fluorescent display.
Aid has a number of word games, accompanied by music jingles.
Rear panel has model details and patent numbers.

Keys are short-travel, heavy to the touch, rock backwards to give a dull, soft click, and bounce back fairly well (S Davis 20/8/2007).

References

Events