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Scientific American, Vol. 92, No. 15 (April 15, 1905) (1905)

leaf 4

An illustration from Scientific American, Vol. 92, No. 15 (April 15, 1905), 1905, leaf 4
301 APRIL 15, 1905. … accepted and passed in Class A. A hair line. By taking the mean of Interior of the Observatory, Showing the Transit. mark for accuracy of as high as 80 these five observations, it will be ’ to 85 per cent is a common figure. seen that the time of the transit of the finest products of the…

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