Rubber tree, Eden, Florida.
An advertisement for Dunlop's pneumatic tires.
A 1917 advertisment for the steel tubing essential to both bicycle and motorcycle frames.
The now standard diamond frame introduced by the Rover Safety bicycle.
The weapons manufacturer Royal Enfield advertised its bicycles as "made like a gun."
The Birmingham Small Arms (BSA) company produced the Otto dicycle before turning to bicycles and motorcycles.
The Royal Enfield logo affixed to its contemporary motorcycles still boasts the "made like a gun" slogan.