Sinclair C5 of Liverpool, which planned to sell 1,000 of them to an Egyptian businessman for use on a university campus while another 1,500 were intended to be sold in the UK. Many reasons have been suggested for the failure of Sinclair Vehicles and what Dale calls "the jigsaw of the C5's disappointment". One of the receivers of Sinclair Vehicles, John Sapte, suggested that Sinclair had taken the wrong tack with its marketing of the C5: "It was presented as a serious transport, when perhaps it should have been presented as a luxury product, an up-market plaything." Ellar's director Maurice Levensohn took
Sinclair Radionics cash, which soon became a commercial success selling in surprising figures. In July 1977 Sinclair Instrument Ltd was renamed to Science of Cambridge Ltd. Around about the same time Ian Williamson showed Chris Curry a prototype microcomputer based around a National Semiconductor SC/MP microprocessor and some parts taken from an earlier Sinclair calculator. This was sold as the MK14 microcomputer kit. Science of Cambridge ultimately became Sinclair Research Ltd. Sinclair Radionics Sinclair Radionics Ltd was a company founded by Sir Clive Sinclair in Cambridge, England which developed hi-fi products, radios, calculators and scientific instruments. After raising funds to start the