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
Points with which connections were made ; nights of observation , and observers ; also name of computer or computers . 7. Tabulation of stars used , and number of observations . 8. Instrumental values ; circumstances of telegraphic ...
Points with which connections were made ; nights of observation , and observers ; also name of computer or computers . 7. Tabulation of stars used , and number of observations . 8. Instrumental values ; circumstances of telegraphic ...
Page 11
The town of Cheyenne , on the north side of the railroad , is the capital of Wyoming Territory ; and besides the Union Pacific Railroad with its branch to Fort Russell , has a railroad - connection with Denver ...
The town of Cheyenne , on the north side of the railroad , is the capital of Wyoming Territory ; and besides the Union Pacific Railroad with its branch to Fort Russell , has a railroad - connection with Denver ...
Page 13
CONNECTIONS . 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 ...
CONNECTIONS . 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 ...
Page 14
... it required only the simple movement of sliding a switch - button to cut off or put on either circuit , and thus send the chronometric break , or receive that of the connected station on the chronographic sheet , as desired .
... it required only the simple movement of sliding a switch - button to cut off or put on either circuit , and thus send the chronometric break , or receive that of the connected station on the chronographic sheet , as desired .
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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 |