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
Meteorological conditions Description of observatory Description of instruments used Points of connection . Tabulation of stars used for time Corrections and rates of chronometers Signals for determination of longitude between Salt Lake ...
Meteorological conditions Description of observatory Description of instruments used Points of connection . Tabulation of stars used for time Corrections and rates of chronometers Signals for determination of longitude between Salt Lake ...
Page 11
The station at Cheyenne , the latitude of which is N. 41 ° 7 ′ 46 ′′ .62 , and its longitude 28m 19.44 east of the Mormon observatory at Salt Lake , is situated in the western part of the town , in lot 11 , block 413 , and is northwest ...
The station at Cheyenne , the latitude of which is N. 41 ° 7 ′ 46 ′′ .62 , and its longitude 28m 19.44 east of the Mormon observatory at Salt Lake , is situated in the western part of the town , in lot 11 , block 413 , and is northwest ...
Page 13
The observatory was west of the telegraph - office , and the main connection was effected by a loop into one of the main overland wires and put in communication with Salt Lake by a switch at Ogden . The local connections , including the ...
The observatory was west of the telegraph - office , and the main connection was effected by a loop into one of the main overland wires and put in communication with Salt Lake by a switch at Ogden . The local connections , including the ...
Page 14
Mr. Austin did the observing at Salt Lake , while the observations at Cheyenne were made by myself , and also the ... Observatory , computed the latitude - observations , and they were subsequently revised , partially recomputed ...
Mr. Austin did the observing at Salt Lake , while the observations at Cheyenne were made by myself , and also the ... Observatory , computed the latitude - observations , and they were subsequently revised , partially recomputed ...
Page 15
At Cheyenne there was a repeating - office ; but as the observatory , as elsewhere stated , was situated west of it , the signals did not work through any repeater ; and at the time these observations were made Salt Lake itself was only ...
At Cheyenne there was a repeating - office ; but as the observatory , as elsewhere stated , was situated west of it , the signals did not work through any repeater ; and at the time these observations were made Salt Lake itself was only ...
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Common terms and phrases
61 Cygni 9 Draconis Adopted Aquarii Aquilæ astronomical August azimuth Capricorni Cephei Changed charge Cheyenne chron chronograph chronom chronometer circuit Clamp clear Cloudy Colo Colorado Springs Colorado Springs chronometer COLORADO TERRITORY connection Corrections Cygni Date Description Determination difference Draconis Engineers eter exchange final result Groom heavy Herculis hour July 30 late Latitude LATITUDE-OBSERVATIONS-Continued Level longitude Lyræ Mean Mean at 24h Mean for 17h Meridian Micrometer star minutes Name of Star nights Normal Equations observations Observations for Latitude.-Station October October 18 Ophiuchi pair Pegasi Piscium places probable error rain reading received record REDUCTION Remarks Sagittarii Salt Lake chron SALT LAKE CITY SALT LAKE OBSERVATORY shows Springs chron station SURVEYS TABLES OF TIME-REDUCTIONS TIME-REDUCTIONS AT RECEIVING-STATION-Continued UNIFORM TABLES United Ursa UTAH TERRITORY values Washington Western wind wires Wyoming Territory
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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.
Bibliographic information
| Title | 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 ... |
| Author | Geographical Surveys West of the 100th Meridian (U.S.) |
| Publisher | U.S. Government Printing Office, 1874 |
| Original from | Harvard University |
| Digitized | 20 Nov 2007 |
| Length | 82 pages |
| Export Citation | BiBTeX EndNote RefMan |