caption: Slide 4 of 7: In his quest to minimise drag, <PERSON> devised flush-fit glazing employing door windows so big that a smaller pane had to be mounted within it, so that you could drop a window to collect tickets and pay tolls, a solution usually confined to supercars. The SVX's black roof and rear deck were intended to give the impression that the whole upper half of the car was a dome of glass unbroken by pillars, but this conceit only came off at night or on a gloomy day, as it did with other cars of the era attempting the same visual trickery such as the Rover 800.