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Halogene bulb testing

Halogene bulb testing

T750/0044

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Credit

VOLKER STEGER / SIEMENS / SCIENCE PHOTO LIBRARY VOLKER STEGER / SIEMENS / SCIENCE PHOTO LIBRARY

Caption

Bulb testing. Halogene light bulbs for vehicle headlights undergoing endurance testing. They are being spun on a carousel to simulate the forces they will experience during driving. The bulbs receive a similar amount of wear from spinning them for a few hours at very high speeds as in a year of driving. The light bulbs contain inert halogen gases which slow the loss of their metal filament and extend the bulb's life. They are also coated with a thin layer of alloy which improves efficiency and lowers the emission of harmful ult- raviolet radiation. Photographed at Siemens' Osram Sylvania Laboratory, Beverly, Massachusetts, USA.

Release details

Model release not required. Property release not required.

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