1. Various manufacturers produced preselector transmissions under licence to the Wilson patents. 2. There are several radically different mechanical designs of preselector gearbox. 3. The transmission was either a four speed manual or optional preselector gearbox. 4. Preselector gearboxes are not automatic gearboxes, although they may have internal similarities.5. Drive was to the rear wheels via a preselector gearbox and helical bevel axle. 6. The epicyclic preselector gearbox allowed a clear flat floor for driver and front seat passenger. 7. :Don't confuse the 1930's preselector with the modern paddle shifters. 8. Their venture was intended to capitalize on a promising preselector gearbox invented for heavy vehicles. 9. The company was awarded a Wilson preselector gearbox used from 1930 to the mid-1950s. 10. This was coupled through a fluid flywheel to an epicyclic preselector 4-speed gear box.