100 Watts 120 Volts
The mechanized production of Duro-Test light bulbs is filmed as a dance to the tune of the Brandenburg, as choreographed filaments, glass, and metal combine in a dynamic finale. Preserved by the Academy Film Archive in 2013.
The mechanized production of Duro-Test light bulbs is filmed as a dance to the tune of the Brandenburg, as choreographed filaments, glass, and metal combine in a dynamic finale. Preserved by the Academy Film Archive in 2013.
