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The use of radium to provide luminescence for hands and indices on watches soon followed. The Ingersoll Watch division of the Waterbury Clock Company , a nationally-known maker of low-cost pocket and wristwatches, was a leading popularizer of the use of radium for watch hands and indices through the introduction of their "Radiolite" watches in ...
A watch with "gaseous tritium light sources" applied on its dial markers and hands and afterglow pigments applied on its bezel ring. By the late 1960s, radium was phased out and replaced with safer alternatives. [9] Tritium was used on and the original Panerai Luminor dive watch Radiomir and almost all Swiss watches from 1960 to 1998 when it ...
Luminox Watch Company is a U.S. company founded in 1989 and headquartered in Pfaffikon, Switzerland. Luminox also makes branded watches for various military groups with custom insignias and designs. Among these are the Heliswiss team, US Coast Guard , US Air Force , and a variety of other special forces and EMS teams worldwide.
Radium paint was widely used for 40 years on the faces of watches, compasses, and aircraft instruments, so they could be read in the dark. Radium is a radiological hazard, emitting gamma rays that can penetrate a glass watch dial and into human tissue. During the 1920s and 1930s, the harmful effects of this paint became increasingly clear.
Lume is a short term for the luminous phosphorescent glowing solution applied on watch dials. There are some people who "relume" watches, or replace faded lume. Formerly, lume consisted mostly of radium; however, radium is radioactive and has been mostly replaced on new
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Why is the Yellow Glow Visible to Humans? The visibility of the yellow glow to humans is due to the reflection of light off the tapetum lucidum back through the retina and out of the eye.
The Radium Dial Company was one of a few now defunct United States companies, along with the United States Radium Corporation, involved in the painting of clocks, watches and other instrument dials using radioluminescent paint containing radium. The resulting dials are now collectively known as radium dials.