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 12
Date . 1872 . October 5 6 7 8 9 10 II 12 13 14 15 16 17 18 19 20 General direction of wind . NW . SW . 7 a . m . to 7 p . m . 7 p . m . to 7 a . m . 7 a . m . to 7 p . m . 7 p . m . to 7 a . m . NW . NE . SE . SE . N. N. O NW . NW .
Date . 1872 . October 5 6 7 8 9 10 II 12 13 14 15 16 17 18 19 20 General direction of wind . NW . SW . 7 a . m . to 7 p . m . 7 p . m . to 7 a . m . 7 a . m . to 7 p . m . 7 p . m . to 7 a . m . NW . NE . SE . SE . N. N. O NW . NW .
Page 28
The following table shows the corrections and the rate of the chronometers used at Cheyenne and Salt Lake City : Date . 1872 . October 5 Date . 14 16 18 19 21 1872 . October 5 14 16 18 19 21 CHEYENNE . - NEGUS 1499 .
The following table shows the corrections and the rate of the chronometers used at Cheyenne and Salt Lake City : Date . 1872 . October 5 Date . 14 16 18 19 21 1872 . October 5 14 16 18 19 21 CHEYENNE . - NEGUS 1499 .
Page 31
... 53 31 6.2 28 58 31.5 14 59 29.4 67 8 26.9 63 59 9.5 18 30 19.0 18 34 35.5 67 44 58.1 14 4 7.2 39 55 39.I 41 58 10.3 18 39 55.5 18 40 3.8 25 19 58.5 9 4 56 55 17.0 63 59 49.4 63 46 13.7 Date . 1872 . Oct. I No. of Micrometer star 31.
... 53 31 6.2 28 58 31.5 14 59 29.4 67 8 26.9 63 59 9.5 18 30 19.0 18 34 35.5 67 44 58.1 14 4 7.2 39 55 39.I 41 58 10.3 18 39 55.5 18 40 3.8 25 19 58.5 9 4 56 55 17.0 63 59 49.4 63 46 13.7 Date . 1872 . Oct. I No. of Micrometer star 31.
Page 32
Date . 1872 . Oct. I No. of Micrometer star . reading . 7101 7114 7174 7273 7317 7336 7337 7365 7368 7398 7402 7453 7462 7480 7555 7568 7602 7681 7721 7731 7746 7915 7972 7978 7984 ( 15. ) REDUCTION OF THE LATITUDE - OBSERVATIONS ...
Date . 1872 . Oct. I No. of Micrometer star . reading . 7101 7114 7174 7273 7317 7336 7337 7365 7368 7398 7402 7453 7462 7480 7555 7568 7602 7681 7721 7731 7746 7915 7972 7978 7984 ( 15. ) REDUCTION OF THE LATITUDE - OBSERVATIONS ...
Page 33
Date . 1872 . Oct. 3 No. of Micrometer star . reading . 7721 7731 7746 7858 7879 7880 7906 7972 7978 7984 8023 8037 8131 8153 8160 8195 8223 8237 8279 8296 8301 8338 8359 68 98 102 116 122 158 198 255 264 290 299 ( 15. ) ...
Date . 1872 . Oct. 3 No. of Micrometer star . reading . 7721 7731 7746 7858 7879 7880 7906 7972 7978 7984 8023 8037 8131 8153 8160 8195 8223 8237 8279 8296 8301 8338 8359 68 98 102 116 122 158 198 255 264 290 299 ( 15. ) ...
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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 |