Operation Backfire
Francis Spufford: Britain’s space programme, 28 October 1999
“... who could not afford a car, but had enough for the speedometer and the rear-view mirror,’ Arthur C. Clarke would remember. They constructed a ‘coelostat’, a device to stabilise the image of a spinning star-field. It was made from four mirrors and the motor of Clarke’s gramophone; it worked, and was proudly displayed in the Science Museum. The ... ”