Bulb research

Bulb research

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Caption: Bulb research. Prototype low heat light bulb being tested within a miniature Ulbricht, or integrating, sphere. Once closed, the sphere's reflective inner surface allows the intensity of the bulb to be found using a sensor. Photographed at Siemens' Osram Sylvania Laboratory in Beverly, Massachusetts, USA.

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Keywords: 2005, american, beverly, bulb, electrical, electrical engineering, electricity, emission, energy, equipment, industrial, industry, integrated, laboratory, lamp, light bulb, light research, machine, massachusetts, measuring light output, osram sylvania, osram sylvania laboratory, physical, physics, radiation, researching, siemens, technology, testing, ulbricht sphere, united states, us, usa

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