Westinghouse projection "Mazda C" lamp used at the Bureau of Standards around 1940. Brass mogul-screw base with collar, glass insulator. C-13 tungsten filament with 3 upper, 2 lower supports. Crimp ...
2005.0259 catalog number 2005.0259.18.03 Object Name projector lamp Physical Description paper (overall material) glass (overall material) metal (overall material) Measurements overall: 25 cm x 7.5 cm ...