A Correction
OCT 01, 1966
DOI: 10.1063/1.3047763
The hydrogen maser measurements attributed in our August article to Norman Ramsey were indeed discussed by him in his talk. They were ade, however, at the National Bureau of Standards, Boulder, Colo., by a joint effort of NBS and Varian personnel using Varian hydrogen masers.
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More about the Authors
Arthur D. Ballato. US Army Electronics Command.
Robert V. McKnight. US Army Electronics Command.
© 1966 American Institute of Physics
