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 Executive Sinclair Executive The Sinclair Executive was the world's first "slimline" pocket calculator, and the first to be produced by Clive Sinclair's company Sinclair Radionics. Introduced in 1972, there were at least two different versions of the Sinclair Executive, with different keyboard markings, and another called the Sinclair Executive Memory, introduced in 1973. Its small size was made possible by pulsing the current to the Texas Instruments TMS1802 "calculator on a chip" integrated circuit, reducing the power consumption by a factor of more than 10. The Executive was highly successful, making of profit for Sinclair and winning a Design Council Award