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Royal Five GT

Royal Five GT
Inside

Royal Five GT

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 - Western Digital LC1552 (here date coded 7442).

6 v (4 x AA).

92 mm x 156 mm x 39 mm (3.6" x 6.2" x 1.5").

About 1974.

Made in Japan for Imperial Typewriter Company Limited, Leicester, England.

Battery pack

Rear view showing the unusual battery pack.

Vintage Calculators

© Text & photographs copyright Nigel Tout   2000-2017  except where noted otherwise.