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Radionic

Sinclair Radionic

Display is 8 digits, red LED.

4-function, %, square root.

9v (PP3 battery).

73 x 155 x 34 mm (2.9 x 6.1 x 1.3 ins).

1976.

Made in England.

This is similar to the Sinclair Oxford 150, and like it has the later, more rounded, design of the Oxford casing coupled with the red LED display of the earlier Oxford, more angular, design of casing.

 

Marketed by Radionics Products Ltd., of Bristol, a member of the ESL Bristol group of companies, with address at St. Lawrence House, 29-31 Broad Street, Bristol BS1 1HF.

Radionics Products specialised in electronics kits, so this calculator was probably assembled from a kit.  The company may have bought the calculator components directly from Sinclair or secured the right to buy the components from Sinclair's suppliers.

Name label

Name label and blanked off adapter socket on the right.

Radioic Advertisement

Advertisement from 1976 for Radionic electronic kits, including the calculator.

Vintage Calculators

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