. . "Sinclair Radionics Ltd was a company founded by Sir Clive Sinclair in Cambridge, England which developed hi-fi products, radios, calculators and scientific instruments."@en . . "Sinclair Radionics Ltd"@en . "Renamed Sinclair Electronics Ltd. (September 1979)"@en . . . "6300000.0"^^ . . . . "1961Z"^^ . . . .