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45 cents 61 Cygni American appeared asteroids astronomical observations beats Bessel Biela body brightness Cambridge chronometer circuit clear aperture coincidence comet comparison computed degrees determined difference of longitude disc discovered discovery dome double stars eccentricity eighth magnitude Engravings entire equatorial erected error Europe eye-pieces fixed star focal length four furnished Guinand heavens Herschel Iapetus inches aperture inches in diameter Jupiter Lassell Lieut longitude Madler magnifying mass ment meridian circle micrometer Milky minutes motion of Uranus Munich Muslin nearly nebula Neptune ninth magnitude nodes nucleus number of stars object glass observatory obtained orbit parallax perihelion period Philadelphia planet position prime vertical Prof Professor Challis proper motions Pulkova refracting telescopes Right Ascension satellite Saturn seconds of arc seen servations Sheep extra sidereal clock solar Struve sun's supposed tail tance tele telegraph telescope tenth tion tower transit instrument Uranus Verrier visible Walker Washington wire York
Page 260 - Brande.— A Dictionary of Science, Literature, and Art : Comprising the History, Description, and Scientific Principles of every Branch of Human Knowledge ; with the Derivation and Definition of all the Terms in General Use. Edited by WT BRANDE, FRSL and E.
Page 260 - THE SIDEREAL HEAVENS, and other Subjects connected with Astronomy, as illustrative of the Character of the Deity, and of an Infinity of Worlds.
Page 261 - Griscom's Animal Mechanism and Physiology. Being a plain and familiar Exposition of the Structure and Functions of the Human System.
Page 259 - ARBORETUM ET FRUTICETUM BRITANNICUM ; or, the Hardy Trees of Great Britain, Native and Foreign, Pictorially and Botanically delineated, and Scientifically and Popularly described.
Page 264 - Loomis's Elements of Plane and Spherical Trigonometry, with their Applications to Mensuration, Surveying, and Navigation. To which is added a full Series of Tables of Logarithms of Numbers, and of Sines and Tangents for every Ten Seconds of the Quadrant.
Page 260 - With nearly 400 Illustrations. 12mo, Sheep extra, 75 cents. Draper's Chemical Organization of Plants. With an Appendix, containing several Memoirs on Capillary Attraction, Electricity, and the Chemical Action of Light. With Engravings.
Page 260 - A DICTIONARY of SCIENCE, LITERATURE and ART ; comprising the History, Description, and Scientific Principles of every Branch of Human Knowledge. Edited by WT BRANDE, FRSL and E.
Page 81 - An observer at Woodstock, Vt., says that " on viewing the comet through a common three-feet telescope of moderate power, it presented a distinct and most beautiful appearance, exhibiting a very white and bright nucleus, and a tail dividing near the nucleus into two separate branches, with the outer sides of each branch convex, and of nearly equal length, apparently 8° or 10°, and a space between their extremities of 5° or 6°.