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First commercial atomic clock
The Atomichron was the world's first commercial atomic clock, built by the National Company, Inc. of Malden, Massachusetts. It was also the first self-contained
Atomichron
by 1991, after continuing difficulties, the company ceased trading. Atomichron Collins Radio E.F. Johnson Hallicrafters Hammarlund R.L. Drake Vintage
National_Radio_Company
Time standard based on atomic clocks
Naval Observatory began the A.1 scale on 13 September 1956, using an Atomichron commercial atomic clock, followed by the NBS-A scale at the National Bureau
International_Atomic_Time
Clock that monitors the resonant frequency of atoms
Radio Company sold more than 50 units of the first atomic clock, the Atomichron. In 1964, engineers at Hewlett-Packard released the 5060 rack-mounted
Atomic_clock
Laser-cooled atoms in flight
News. 15 (12): 31–32. doi:10.1364/ON.15.12.000031. Forman, P (1985). "Atomichron®: The atomic clock from concept to commercial product". Proceedings of
Atomic_fountain
American nuclear physicist (1905–1986)
Cornell University Press. pp. 125–127, 138–139. ISBN 978-1-5017-4516-4. "Atomichron, Cesium-Beam Atomic Clock, Jerrold Zacharias and National Company, 1953–1956"
Jerrold_R._Zacharias
scales Atomic spacing Atomic spectral line Atomic theory Atomic units Atomichron Atomics International Atomism Atomistix Virtual NanoLab Attenuation Attenuation
Index_of_physics_articles_(A)
ATOMICHRON
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ATOMICHRON
Girl/Female
Arabic, Australian, Finnish, German, Latin, Muslim, Swedish
Lovable; Born in the Month of the June
Surname or Lastname
English
English : habitational name from a place in Norfolk, so named from Old English gÄt ‘goat’ + lÄ“ah ‘woodland clearing’.Possibly a variant spelling of the Irish surname Gately or English Gatley.
Girl/Female
Hindu, Indian
Falgun Month
Boy/Male
Indian, Tamil
Truthful
Female
Hebrew
(עָרְפָּה) Hebrew name ORPAH means "forelock, mane" or "gazelle, hind." In the bible, this is the name of a Moabite woman.Â
Boy/Male
Gujarati, Indian
Happy
Boy/Male
Tamil
Lord Shiva
Surname or Lastname
English, French, Dutch, Polish, Czech, and Slovenian
English, French, Dutch, Polish, Czech, and Slovenian : from a Germanic personal name (see Bernhard). The popularity of the personal name was greatly increased by virtue of its having been borne by St. Bernard of Clairvaux (c.1090–1153), founder and abbot of the Cistercian monastery at Clairvaux.Americanized form of German Bernhard or any of the other cognates in European languages; for forms see Hanks and Hodges 1988.The first bearer of the name in Canada was from the Lorraine region of France. He is documented in Quebec city in 1666 as Jean Bernard. He and some of his descendants bore the secondary surnames Anse and Hanse, because his original forename must have been Hans (the German equivalent of French Jean, English John). Another bearer, from La Rochelle, is documented in Quebec city in 1676; and a third, from the Poitou region of France, was also documented in Quebec city, in 1713, with the secondary surname Léveillé. Other documented secondary names are Jolicoeur, Larivière, and Lajoie.
Boy/Male
Indian
Rationale, Intelligent, Rightly-guided, Having the true faith
Boy/Male
Hindu
Strong defender
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