Word: leuschner
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Dates: during 1910-1919
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Astronomy 4b.--The Determination of Orbits. Leuschner's methods for orbits of any eccentricity; orbits of visual and spectroscopic binary stars. Tuesday, Thursday, Saturday, at 10. Dr. Duncan...
Astronomy 4.--The Determination of Orbits. Olber's method for parabolic orbits; Leuschner's "Short Method" for orbits of any eccentricity. Tuesday, Thursday, Saturday, at 10. Dr. Duncan...