A 1930s carbide gas bicycle lamp. Manufactured by nirona in german during the 1930s. This light appears intact but has not been tested. Measurements: h: 17 cm, dept: 16/13 cm, width: 7,5 cm. This piece has an attribution mark, i am sure that it is completely authentic and take full responsibility for any authenticity issues arising from misattribution, up to 250v (europe/uk standard).the wiring of this item may be original and might need replacement, if not specified otherwise.