Annals of the Astronomical Observatory of Harvard College, Volume 8 |
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Common terms and phrases
Alvan Clark anemometer Annals aperture apparatus appear Astronomical Engravings axis Boston bright BUFFORDS C. S. Peirce chromosphere chronograph circuit Clark & Sons clock Coast Survey collimator comet connected corona craters determined disk East Equatorial East Transit Circle East Transit Room eclipse of 1869 eye-piece figures of Plate focal length GEORGE PHILLIPS BOND glass HARVARD COLLEGE OBSERVATORY inches income JOSEPH WINLOCK lens lenses light lines longitude means Meridian Circle method micrometer mirror moon mounted nebula object-glass objects observations OBSERVATORY OF HARVARD original Phillips photographs taken piers pivots plate-holder Plates 12 position Prime Vertical prism Professor Bond Professor Winlock purpose represented scientific screw seen Shelbyville shown in Plate shutters signals slide solar prominences spectroscope spectrum stars sun's surface telegraphic telescope tion TOTAL ECLIPSE total phase Transit Circle Transit Instrument Trouvelot tube United States Coast volume West Dome WILLIAM CRANCH BOND