Report Upon the Determination of the Astronomical Co-ordinates of the Primary Stations at Cheyenne, Wyoming Territory, and Colorado Springs, Colorado Territory, Made During the Years 1872 and 1873: Geographical and Geological Explorations and Surveys West of the One Hundredth Meridian, First Lieut. George M. Wheeler, Corps of Engineers, in Charge. Dr. F. Kampf and J. H. Clark, Civilian Astronomical AssistantsU.S. Government Printing Office, 1874 - 82 pages |
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Page 3
... Description of observatory Description of instruments used Connections , ( telegraphic ) Tabulation of stars used Instrumental values . Uniform tables of time reductions at sending and receiving stations Correction and rate of ...
... Description of observatory Description of instruments used Connections , ( telegraphic ) Tabulation of stars used Instrumental values . Uniform tables of time reductions at sending and receiving stations Correction and rate of ...
Page 7
... Description of observatory ; including personnel of party , name of telegraph- operator , and name of telegraph - company whose wire has been employed . 5. Description of instruments used . 6. Points with which connections were made ...
... Description of observatory ; including personnel of party , name of telegraph- operator , and name of telegraph - company whose wire has been employed . 5. Description of instruments used . 6. Points with which connections were made ...
Page 12
... DESCRIPTION OF OBSERVATORY . A large wall - tent drawn over a framework formed the observatory . The open- ing for the meridian - line was furnished with a flap and curtains ; the former served to protect the instrument from the weather ...
... DESCRIPTION OF OBSERVATORY . A large wall - tent drawn over a framework formed the observatory . The open- ing for the meridian - line was furnished with a flap and curtains ; the former served to protect the instrument from the weather ...
Page 13
... DESCRIPTION OF INSTRUMENTS USED . ( a . ) Transit . The transit used was the meridian - zenith - instrument No. 28 , made by Würde- mann , a description of which is given in Dr. Kampf's report , and it was mounted on a large block of ...
... DESCRIPTION OF INSTRUMENTS USED . ( a . ) Transit . The transit used was the meridian - zenith - instrument No. 28 , made by Würde- mann , a description of which is given in Dr. Kampf's report , and it was mounted on a large block of ...
Page 50
... DESCRIPTION OF OBSERVATORY AT COLORADO SPRINGS , COLORADO TERRITORY . As soon as the monument was built , a solid framework , 8 by 10 feet , was con- structed , and a large wall - tent put over it . There was an opening in the tent ...
... DESCRIPTION OF OBSERVATORY AT COLORADO SPRINGS , COLORADO TERRITORY . As soon as the monument was built , a solid framework , 8 by 10 feet , was con- structed , and a large wall - tent put over it . There was an opening in the tent ...
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Common terms and phrases
12-Year Cat 21h local sidereal 30 late 30m local sidereal 50 Draconis 61 Cygni 9 Draconis Aquarii August bB aA cC Capricorni Cassiopeia Ceti Cheyenne chron chronograph chronom Clamp Cloudy all day Colo Colorado Springs chronometer COLORADO TERRITORY Computations for Latitude Correction of chronometer Date Delphini Description of observatory eter final result Groom Groombridge 3241 Groombridge 4163 Half-sum of dec HARVARD COLLEGE OBSERVATORY Herculis July 30 latitude Observations Latitude of Cheyenne LATITUDE-OBSERVATIONS-Continued Level linations Mean at 24h Mean for 19h Meridian Micrometer Remarks Micrometer star Name of Star nights Normal Equations Number Half-sum Observations for Latitude.-Station October 14 October 16 Pegasi Piscium probable error REDUCTION Right Ascension Salt Lake chron SALT LAKE CITY SALT LAKE OBSERVATORY Springs chron T. D. Oct TABLES OF TIME-REDUCTIONS Tabulation of Stars TIME-REDUCTIONS AT RECEIVING-STATION-Continued UNIFORM TABLES Ursa Minoris UTAH TERRITORY wires Wyoming Territory ΔΤ ΙΟ Ο.ΟΙ
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Page 53 - Ocean, the first thing which strikes us is, that, the north-east and south-east monsoons, which are found the one on the north and the other on...
Page 5 - Printing-Office, and that fifteen hundred copies be furnished on requisition from this Office. Very respectfully, your obedient servant, AA HUMPHREYS, Brigadier-Oeneral and Chief of Engineers.