TAILOR-MADE BUMPSCD 1964008 E&MP25.064 Electric Lamps no date Locomotive headlight bulbs are given a terrific bumping on this unique testing machine which duplicates the rough motion of a locomotive engine. Research engineers of the Westinghouse Lamp Company at the Bloomfield, (New Jersey) Plant, subject the bulbs to the machines tailor-made bumps until the bulbs fail. These research studies assist engineers in improving the design of the lamps which, in turn, make for greater safety of train crews and passengers
|