- radium clock
- noun
: an electroscope alternately charged by the accumulation of alpha particles from radium in a closed tube and discharged by automatic grounding at regular intervals
Useful english dictionary. 2012.
radium clock
Look at other dictionaries:
Radium dials — are radioluminescent watch, clock and other instrument dials. In the early 1900s glow in the dark clock and watch faces had the digits painted using paint containing Radium, the most common version created by the United States Radium Corporation… … Wikipedia
radium — /ray dee euhm/, n. 1. Chem. a highly radioactive metallic element whose decay yields radon gas and alpha rays. Symbol: Ra; at. wt.: 226; at. no.: 88. 2. a lustrous rayon or silk fabric constructed in plain weave and used in women s apparel,… … Universalium
Radium Dial Company — The now defunct Radium Dial Company, was one of a few 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.… … Wikipedia
radium dial — noun The dial of a watch or clock on which the hours have been marked with a radium compound to make them luminous … Wiktionary
radium dial — noun : a clock, watch, or instrument dial having figures coated with luminous paint … Useful english dictionary
United States Radium Corporation — The United States Radium Corporation was a company operated between the years 1917 to 1926 in Orange, New Jersey, in the United States. After initial success in developing a Glow in the dark radioactive paint, the company closed in the late 1920s … Wikipedia
Compagnie Américaine du Radium — La Compagnie Américaine du Radium (United States Radium Corporation) est une entreprise qui avait pignon sur rue entre 1917 et 1926 à Orange, dans le New Jersey, aux États Unis. Après un premier succès dans le développement d une peinture… … Wikipédia en Français
Compagnie américaine du radium — La Compagnie Américaine du Radium (United States Radium Corporation) est une entreprise qui avait pignon sur rue entre 1917 et 1926 à Orange, dans le New Jersey, aux États Unis. Après un premier succès dans le développement d une peinture… … Wikipédia en Français
United States Radium Corporation — L’United States Radium Corporation (US Radium) est une entreprise qui avait pignon sur rue entre 1917 et 1926 à Orange, dans le New Jersey, aux États Unis. Après un premier succès dans le développement d une peinture radioactive fluorescente, la… … Wikipédia en Français
Critical Assembly — Jim Sanborn s 2003 re creation, Critical Assembly. The bottom hemisphere of the pusher, with pieces of the boron shell, tamper, pit, and urchin. Critical Assembly is a sculpture by American artist Jim Sanborn which was displayed at the Corcoran… … Wikipedia
