Retailer Brass cylindrical pendant

Cylindrical brass ruler-style pendant with Italian glass covers. 70's. Combines pieces of retailer metal and iron. The protector of the lampholder and the rosette that holds it to the ceiling are made of iron, the rest of the pieces made of brass. Small signs of the passage of time in the upper and lower part of the cylinder, see photos, imperceptible when it is hanging from the ceiling.