Osram Nitra LightbulbsOriginal vintage advertising poster for Osram Nitra lights featuring a great image of the ancient Greek goddess Ariadne, the Mistress of the Labyrinth, holding a chain with an Osram light bulb at each end to lit up the maze with the stylised text above and below in white letters. Osram lamps were developed in 1906; the company was founded in 1919 with headquarters in Munich Germany. Good condition, stain on top margin, small tears and and faint