The Atomette was a British three wheeled cyclecar manufactured by Allan Thomas in Cleveland Street, Wolverhampton in 1922. Cyclecars were small, generally inexpensive cars manufactured mainly between 1910 and 1923. ... Wolverhampton is an city and metropolitan borough in the English West Midlands, traditionally part of the county of Staffordshire. ...

The car was powered by an air cooled 3.5 hp Villiers 2-stroke engine driving the single rear wheel through a three speed gearbox. The body had no pretence of having a radiator and seated two people side by side. The car was advertised for sale at 90 guineas (£94.50) and could be ordered in a choice of blue, grey or green.