NEW YORK ACADEMY OF SCIENCES; SECTION OF ASTRONOMY AND PHYSICS, FEB. 4

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  NEW YORK ACADEMY OF SCIENCES; SECTION OF ASTRONOMY AND PHYSICS, FEB. 4

  Science22 Feb 1895 : 220-221

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  NEW YORK ACADEMY OF SCIENCES; SECTION OF ASTRONOMY AND PHYSICS, FEB. 4

  Science22 Feb 1895 : 220-221

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