<span>The model of this ceiling light was originally designed for the Warsaw streetcar and is named 13 N, it graced the American streetcars of the 1930s and the Czech Tatra T1 model. The power supply is 127 volts. The housing and frame are made of steel, the shade is made of milk glass. There were two models providing one or two bulbs. Maximum bulb power: 40 watts.</span>