This model of bicycle, which was built in the early 1900s, was intended for firefighters working in petrochemical industries. The equipment of this bicycle included, in addition to the water hose rolled up in the frame, a spear spout, a crowbar, a small axe, a siren (operated by friction on the front wheel), a helmet and a carbide light. The knobs and pedals are made of wood, the brake was only on the front wheel.