Einstein, Albert, 1879-1955. Sidelights on relativity [microform] / by Albert Einstein ... I. Ether and relativity. II. Geometry and experience, tr. by G.B. Jeffery, D. Sc., and W. Perrett, Ph. D.

Einstein, Albert, 1879-1955.

Sidelights on relativity [microform] / by Albert Einstein ... I. Ether and relativity. II. Geometry and experience, tr. by G.B. Jeffery, D. Sc., and W. Perrett, Ph. D.

Relativity (Physics)

1922.

Jeffery, G. B. (George Barker), 1891-

Perrett, W.

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