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Imperial 91S |
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Imperial 91S Display is 8 digits, green fluorescent in a single tube. 4-function, memory, square-root. Main integrated circuit - Hitachi HD36260. 6 v (4 x AAA). 74 mm x 118 mm x 20 mm. (3" x 4.7" x 0.8"). Made in Japan. |
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Vintage Calculators |
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© Text & photographs copyright Nigel Tout 2000-2008 except where noted otherwise. |
