"was established and equipped at the opening of the college in 1865. The has an of 12⅓ inches aperture and a focal length of 16¾ feet. It was originally made by }} of New York, but in 1872 the glass was re-cut by }}, and in 1888 the telescope was re-mounted by & }}. It was also at that time provided with electrical illumination for the . The magnifying powers, negative and positive, range from 150 to 600. A made by }} was added in 1890. This spectroscope has a prism for star spectra and a }} grating for the solar spectrum. There is also a }} direct-vision spectroscope. The has an objective aperture of 3¾ inches. It was made by }} of Philadelphia. In 1889 it was re-mounted by }}. The clock and chronograph are of }} manufacture."
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Educators from the United StatesWomen academics from the United StatesAstronomers from the United StatesVassar College alumniVassar College faculty
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Mary Watson Whitney
(September 11, 1847 – January 20, 1921) was an American astronomer, professor at , and, from 1888 to 1910, director of the . In 1899 she was a founding member of the . In 1900 Whitney was elected a Fellow of the .
4 quotes on TrueQuotesView all quotes by Mary Watson Whitney →
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