Royal Mini Five
Royal Mini Five
Display is 8 digits, green fluorescent in a single tube (note that the 3rd digit is not working on the example above).
4-function, %, memory.
Main integrated circuit - General Instruments GI C-566 (here date coded 7415).
6 v (4 x AA).
89 x 157 x 38 mm (3.5" x 6.2" x 1.5").
About 1974.
Assembled in Malaysia for Imperial Typewriter Company Limited, Leicester, England.
Imperial models
Vintage British Calculators
Text & photographs copyright, except where stated otherwise, © Nigel Tout 2000-2024.