Singer tricycle c. 1888 (no saddle). An early example of the handle-bar steered, chain-driven type of machine still in made today. There is a differential drum on the rear axle. This differential allows the wheels to rotate at different speeds when cornering. 'Singer' Tricycle 1888
Starley 'Salvo' Tricycle with bar frame, 1880 'Salvo' tricycle, with bar frame and handle grip circa 1880
Wooden wheeled horizontal treadle-drive tricycle, c. 1850 Wooden Wheeled Horizontal Treadle-Drive Tricycle 1850