11. I'm pretty sure you can shift more rapidly with synchromesh than with a preselector . 12. Tunable antenna preamplifiers ( preamps ) often incorporate a front-end preselector circuit to improve their performance. 13. More body variants were added over the next few years and in 1934 a Preselector gearbox was offered for ?7 extra. 14. However, from May 1934 it became possible to specify, at extra cost, a " Cotal Preselector transmission ". 15. From about 1935 to 1960, buses by the Guy companies offered Preselector gearboxes, either as an option or as standard. 16. Made to order, the car featured a revised tubular chassis and sleeker bodywork than its predecessors, and incorporated a preselector gearbox. 17. A fully automatic gearbox is able to select the ratio used, with a preselector gearbox this remains the driver's decision. 18. The integrated device is " both " a preamplifier and a preselector , and may correctly be referred to with either name. 19. Past involvement with this editor on car-related topics has not been promising : See Talk : Preselector _ gearbox # Recent _ changes. 20. Motor power came in the form of a Meadows 5 cylinder gasoline engine, producing 51 hp, coupled with a four speed preselector gearbox.