ASSEMBLING THE TWO TUBES OF A HIGH INTENSITY MERCURY VAPOR
CD 1964067 E&MP27.029
Here a young lady at the Westinghouse Lamp Division, Bloomfield, N.J., is inserting the inner tube into a glass jacket.
The assembled lamp is then sealed, evacuated,
and a base is added.
This is the type of lamp used to light working areas in the Douglas Aircraft Company plant in Long Beach, California.
Original Caption by Science Service