Imperial Special
Imperial Special
Display is 8 digits, green fluorescent in a single tube.
4-function, % square-root.
6 v (4 x AAA).
74 mm x 118 mm x 20 mm. (3" x 4.7" x 0.8").
Made in Japan.
Imperial models
Vintage Calculators
© Text & photographs copyright Nigel Tout 2000-2019 except where noted otherwise.