Publications of the Astronomical Society of the Pacific, Volume 9Astronomical Society of the Pacific., 1897 |
From inside the book
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Page 30
... mounting it lacks many of the conveniences of more recently constructed instruments . It is provided with a filar micrometer , double- image micrometer spectroscope , a ZOELLNER astro - photometer and a very complete set of oculars ...
... mounting it lacks many of the conveniences of more recently constructed instruments . It is provided with a filar micrometer , double- image micrometer spectroscope , a ZOELLNER astro - photometer and a very complete set of oculars ...
Page 94
... mounted at Arequipa . * The maps accompanying the H. C. O. Circular are wonderfully fine , and show that the plan adopted for this powerful instrument has been completely successful . The BRUCE telescope is provided with an objective ...
... mounted at Arequipa . * The maps accompanying the H. C. O. Circular are wonderfully fine , and show that the plan adopted for this powerful instrument has been completely successful . The BRUCE telescope is provided with an objective ...
Page 98
... the objective . This lens is corrected for the actinic rays , and will be mounted with a guiding telescope of 50 cm . aperture , corrected for visual rays . No abstract of this article is here attempted , as 98 Publications of the.
... the objective . This lens is corrected for the actinic rays , and will be mounted with a guiding telescope of 50 cm . aperture , corrected for visual rays . No abstract of this article is here attempted , as 98 Publications of the.
Page 121
... mounting by Mr. G. N. SAEGMULLER , and the optical part by Mr. J. CLACEY , both of Washington . The instrument had been espe- cially constructed for and exhibited at the World's Fair in Chicago . It has the latest improvements , and is ...
... mounting by Mr. G. N. SAEGMULLER , and the optical part by Mr. J. CLACEY , both of Washington . The instrument had been espe- cially constructed for and exhibited at the World's Fair in Chicago . It has the latest improvements , and is ...
Page 122
... mounting is under the floor , and the observing chair can be moved quite close to the slender pillar . This chair was made by the carpenter of the college , on the well - known plan of Professor HOUGH of Chicago . The switchboard also ...
... mounting is under the floor , and the observing chair can be moved quite close to the slender pillar . This chair was made by the carpenter of the college , on the well - known plan of Professor HOUGH of Chicago . The switchboard also ...
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Common terms and phrases
aperture April Arcturian Astronomical Society Atlas atmosphere August Board of Directors bright BRUCE Medal C. D. PERRINE Capellan carbonic acid catalogue comet Comet-Medal Committee Committee-Messrs constellation December Decl Declination degrees eastward diameter dome eclipse EDWARD equatorial F. R. ZIEL feet Greenwich Hamilton Harvard College Observatory HOLDEN inches instruments interstellar medium January July June Jupiter latitude LEWIS SWIFT Library Lick Observatory longitude magnitude March Mars meeting Mercury meridian Messrs meteor minutes Miss O'HALLORAN MOLERA month Moon morning star motion Mount Hamilton moves nebulæ Neptune November Oakland observations October Pacific penumbra photographic planets plates President prisms Prof Professor proper-motion Publications quantity of carbonic R. G. AITKEN San Francisco Saturn SCHAEBERLE Secretary seen Sept September Shadow touching Sirian solar spectra spectroscope sun-spot telescope tion Transit umbra University Observatory Uranus Venus W. H. S. MONCK WILLIAM ALVORD Yerkes Observatory Yerkes telescope ΙΟ