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 |
From inside the book
Results 6-10 of 13
Page 37
... reading . No. of Micrometer star . reading . Remarks . N. S. N. S. 1872 . Ꭲ . D. Oct. II 7022 7041 12 4.0 24 43.0 16.0 34.5 32.0 19.5 1872 . Oct. II T. D. 8279 12 62.0 37.0 23.0 8296 24 95.5 15.0 45.0 8301 29 10.0 35.0 25.0 8338 14 ...
... reading . No. of Micrometer star . reading . Remarks . N. S. N. S. 1872 . Ꭲ . D. Oct. II 7022 7041 12 4.0 24 43.0 16.0 34.5 32.0 19.5 1872 . Oct. II T. D. 8279 12 62.0 37.0 23.0 8296 24 95.5 15.0 45.0 8301 29 10.0 35.0 25.0 8338 14 ...
Page 38
... reading . No. of Micrometer star . reading . N. S. N. S. 1872 . T. D. 1872 . T. D. Oct. 12 6722 4 56.3 30.0 28.0 Oct. 12 7858 30 10.0 29.0 36.0 6754 25 88.5 19.0 39.0 7879 22 41.2 6771 26 91.0 31.0 27.0 7880 22 6.2 7906 3 16.0 33.0 33.0 ...
... reading . No. of Micrometer star . reading . N. S. N. S. 1872 . T. D. 1872 . T. D. Oct. 12 6722 4 56.3 30.0 28.0 Oct. 12 7858 30 10.0 29.0 36.0 6754 25 88.5 19.0 39.0 7879 22 41.2 6771 26 91.0 31.0 27.0 7880 22 6.2 7906 3 16.0 33.0 33.0 ...
Page 51
... reading to single minutes by means of the vernier . Another circle was affixed to the upper part of the tube , divided also also to twenty minutes , and having in the center a level used in latitude - observations for determining the ...
... reading to single minutes by means of the vernier . Another circle was affixed to the upper part of the tube , divided also also to twenty minutes , and having in the center a level used in latitude - observations for determining the ...
Page 53
... reading of the signals sent and received from both stations . The telegraph - line between Colorado Springs and Salt Lake is 763 miles long , and divided into four circuits . The signals are transmitted from one circuit to another by ...
... reading of the signals sent and received from both stations . The telegraph - line between Colorado Springs and Salt Lake is 763 miles long , and divided into four circuits . The signals are transmitted from one circuit to another by ...
Page 71
... reading . Remarks . Date . star . No. of Microm . reading . Remarks . N. S. N. S. 1873 . t . d . d . d . 1873 . t . d . d . d . July 31 7505 6 10.6 24.0 28.0 Air very undu- Aug. 2 6238 2 62.8 24.0 17.7 7521 15 1.3 28.3 24.0 lating ...
... reading . Remarks . Date . star . No. of Microm . reading . Remarks . N. S. N. S. 1873 . t . d . d . d . 1873 . t . d . d . d . July 31 7505 6 10.6 24.0 28.0 Air very undu- Aug. 2 6238 2 62.8 24.0 17.7 7521 15 1.3 28.3 24.0 lating ...
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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
Popular passages
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.