Vintage acetylene bicycle light from the early 1900s. To suppress vibrations transmitted from the uneven surface to the wheel, the element that connects the headlight to the vehicle is a parallelogram suspension.
An element that characterizes these headlights is the particular anchoring system that allows the headlight to be attached to the vehicle. On bike headlights it consists of a clamp that slides onto a plate mounted on the handlebars of the vehicle
