Page:Benton 1959 The Clock Problem (Clock Paradox) in Relativity.djvu/54

having accuracies of the order of 1 part in 10¹² in discerning the time shift predicted by the theory of relativity.

Also in Proceedings of the 3rd American Astronautical Society, December 6-7, 1956, p.127-135.

 

240. WORLD'S FIRST SPACE CLOCK INTRODUCED BY HAMILTON WATCH CO. Commercial and Finan. Chron. 179:157, Jan. 14, 1954.

Brief description of the space clock conceived by I. M. Levitt of Fels Planetarium.

 

241. Zelmanov, A. L.CHRONOMETRIC INVARIANTS AND REST SYSTEMS IN THE GENERAL THEORY OF RELATIVITY. Akad. Nauk. SSSR. Dok. 107:815-818, 1956.

In Russian.

 

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