Abstract
THE experience gained1 with the cæsium resonator has shown that it can be used for establishing a unit of time interval with great ease and accuracy, and it is now important to decide how this new facility can best be incorporated into the general framework of time measurements. It is necessary first to outline the present position with rather more practical detail than has been given in the recent correspondence in these columns2,3.
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References
Essen, L., and Parry, J. V. L., Nature, 177, 744 (1956).
Clemence, G. M., Nature, 176, 1230 (1955).
Pérard, A., Nature, 177, 850 (1956).
Jones, H. Spencer, Nature, 176, 669 (1955).
Kaye and Laby, “Tables of Physical and Chemical Constants”, 4 (11th edit., 1956).
Markowitz, W., Astro. J., 59, 69 (1954).
Markowitz, W., U.S. Signal Corps Symposium, Asbury Park, February 1956.
Bullard, E. C., Nature, 176, 282 (1955).
Essen, L., and Parry, J. V. L., Nature, 176, 280 (1955).
Clemence, G. M., Science, 123, 567 (1956).
Essen, L., Wireless Engineer, 32, 312 (1955).
Essen, L., Wireless Engineer, 33 (July 1956).
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ESSEN, L. Atomic Time and the Definition of the Second. Nature 178, 34–35 (1956). https://doi.org/10.1038/178034a0
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DOI: https://doi.org/10.1038/178034a0
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