Calculator [Sharp electronic calculator]

Maker and role
Hayakawa Electric Company Limited, Manufacturer
Production date
Circa 1964
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Object detail

Accession number
2001.26.1
Production period
Description
SHARP electronic calculator, Model CS-20A. Black and grey plastic outer case, ventilation grill on top, power cable at rear. Main control panel on front with display screen. Front control panel has number and operation number on front. Instruction manual included.
Marks
Compet 20 / SHARP Maker's Mark
SHARP / ELECTRONIC DESK CALCULATOR / COMPET / Model CS-20A / OPERATING INSTRUCTIONS / HAYAKAWA ELECTRIC CO., LTD. Printed
Credit Line
Hayakawa Electric Company Limited. Circa 1964. Calculator [Sharp electronic calculator], 2001.26.1. The Museum of Transport and Technology (MOTAT).

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