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 1-4 of 4
Page 13
... minute . Removing the paper from the cylinder , both the minutes and the seconds will be found , if the instru- ment is working properly , recorded in parallel lines , and the culminations of the stars observed , distinctly marked by ...
... minute . Removing the paper from the cylinder , both the minutes and the seconds will be found , if the instru- ment is working properly , recorded in parallel lines , and the culminations of the stars observed , distinctly marked by ...
Page 51
... minutes , and 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 ...
... minutes , and 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 ...
Page 68
... minute , I develop the fact that the Colorado Springs chronometer breaks 0.110 later than the Salt Lake break ; therefore the mean of the signals sent from Salt Lake and received on the Colorado Springs chronograph is , 18h 48m 528.048 ...
... minute , I develop the fact that the Colorado Springs chronometer breaks 0.110 later than the Salt Lake break ; therefore the mean of the signals sent from Salt Lake and received on the Colorado Springs chronograph is , 18h 48m 528.048 ...
Page 81
... minutes in time , the connecting or Salt Lake station sending for the first five minutes and the distant station receiving , and vice versa . In addition to these , which may be known as the chronograph - signals , arbitrary signals ...
... minutes in time , the connecting or Salt Lake station sending for the first five minutes and the distant station receiving , and vice versa . In addition to these , which may be known as the chronograph - signals , arbitrary signals ...
Other editions - View all
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.