Douglas 350cc transverse flat twin spring frame motor cycle, 1947 Douglas 350cc transverse flat twin spring frame motor cycle 1947
Two-stroke Pullin motor cycle, incorporating pressed steel frame and front forks, by the Pullin-Groom Motor Co, 1919 Two-stroke Pullin motor cycle 1919
"J.D." 116cc 2-stroke light-weight motor bicycle, c. 1924. The J.D. was in production between 1922 and 1926. It shows evidence of how designers were trying to bring motor and bicycle together more harmoniously. The engine is lightweight and has a magneto ignition where the chain and pedals are used to start the engine. 'J.D.' Light-Weight Motor Bicycle, c. 1924 1924