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 8
a , b , c , A , B , C , azimuth , level , and collimation corrections . azimuth , level , and collimation factors . Tobserved time reduced to the mean of wires and corrected for rate . T'observed time corrected for instrumental errors .
a , b , c , A , B , C , azimuth , level , and collimation corrections . azimuth , level , and collimation factors . Tobserved time reduced to the mean of wires and corrected for rate . T'observed time corrected for instrumental errors .
Page 11
The site of Cheyenne is nearly or quite level ; northward , however , there is a gradual swell of the land , and within a few miles it cuts off the extensive view one is accustomed to on the great plains . Eastward and southward there ...
The site of Cheyenne is nearly or quite level ; northward , however , there is a gradual swell of the land , and within a few miles it cuts off the extensive view one is accustomed to on the great plains . Eastward and southward there ...
Page 13
28 , made by Würdemann , a description of which is given in Dr. Kampf's report , and it was mounted on a large block of wood . The instrumental values are , for one division of the micrometerscrew , o'.6216 ; of the striding - level A ...
28 , made by Würdemann , a description of which is given in Dr. Kampf's report , and it was mounted on a large block of wood . The instrumental values are , for one division of the micrometerscrew , o'.6216 ; of the striding - level A ...
Page 15
28 are , for one division of the micrometer - screw , o " .622 ; of the striding - level A , 1 " .21 ; and of the zenith - level , 1'.10 . The wire which made the circuit between the stations Salt Lake and Cheyenne , counting the ...
28 are , for one division of the micrometer - screw , o " .622 ; of the striding - level A , 1 " .21 ; and of the zenith - level , 1'.10 . The wire which made the circuit between the stations Salt Lake and Cheyenne , counting the ...
Page 32
T. D. 27 34.5 8195 8223 8237 5 45.5 24 53.8 8 17.5 16 66.8 26 00.9 25 89.0 2 24.0 31 4.0 18 64.0 17 31.2 6 24.2 32 8.0 15 58.8 11 73.8 23 40.7 11 98.8 31 57.9 33 24.0 33 36.8 5 42.2 8131 38 88.0 8153 26 31.5 8160 19 17.8 Level .
T. D. 27 34.5 8195 8223 8237 5 45.5 24 53.8 8 17.5 16 66.8 26 00.9 25 89.0 2 24.0 31 4.0 18 64.0 17 31.2 6 24.2 32 8.0 15 58.8 11 73.8 23 40.7 11 98.8 31 57.9 33 24.0 33 36.8 5 42.2 8131 38 88.0 8153 26 31.5 8160 19 17.8 Level .
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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 |