IIIF provides researchers rich metadata and media viewing options for comparison of works across cultural heritage collections. Visit the IIIF page to learn more. Type S-4 mercury vapor sunlamp with ...

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The Optoelectronics group of Vishay Intertechnology announced the VLMU3100, an ultraviolet (UV) LED in the surface-mount PLCC-2 package. Aimed at a wide range of applications, including adhesive ...

Cooper Hewitt linear mercury vapor lamp, ca. 1925. Characteristics: Double-ended tube with cup-style electrodes on one end, mercury-pool electrode on the other. Clear, tubular envelope with ...

LAST July I published in the Proceedings of the Royal Society an account of a persistent fluorescence of mercury vapour produced by excitation of “2536” light, obtained from a quartz-mercury arc lamp.

UNDER the name of “The Uviol Lamp,” Dr. O. Schott, of Jena, is introducing a modification ot the Cooper Hewitt mercury vapour lamp, which appears likely to prove useful. The illuminating power of ...

Even if you aren’t a tube aficionado, you can’t help but be mesmerized by the blue glow inside a mercury vapor rectifier when it operates. It looks less like early 20th century tech and more like ...

An ultraviolet (UV) LED in a surface-mount PLCC-2 package, the VLMU3100 by Vishay Intertechnology, serves as a solid-state replacement for mercury vapor lamps. Featuring a typical luminous intensity ...