Some Experiments proposed in relation to Mr. Newtons Theory of light, together with the Observations made thereupon by the Author of that Theory 372q6z
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Sobre la Teora de la Relatividad Especial y General 3z2ns
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Sidelights on Relativity 3o5d3t
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Scientific American Supplement, No. 303 October 22, 1881 661611
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Scientific American Supplement, No. 286 June 25, 1881 a421p