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 51
... connection from the switch - board to the Western Union Tele- graph office was made by a line 600 feet in length , supported by the framework of the tent and one telegraph - post 30 feet in height . A ground - wire was used after ...
... connection from the switch - board to the Western Union Tele- graph office was made by a line 600 feet in length , supported by the framework of the tent and one telegraph - post 30 feet in height . A ground - wire was used after ...
Page 52
... connections were made by means of a switch - board , the connections of which are given in the following diagram : 1 Break Circuit Key Chronograph Local Battery Chronometer XXI XII Relay VILLIX 3 11 Sounder I SWITCH 1. - Closed when ...
... connections were made by means of a switch - board , the connections of which are given in the following diagram : 1 Break Circuit Key Chronograph Local Battery Chronometer XXI XII Relay VILLIX 3 11 Sounder I SWITCH 1. - Closed when ...
Page 53
... CONNECTIONS WERE MADE , & C . Connection was made with Salt Lake City on the nights of July 29th and 30th , and August 2d , 5th , and 6th . Observations for time were made at Colorado Springs on the nights of July 28th , 29th , 30th ...
... CONNECTIONS WERE MADE , & C . Connection was made with Salt Lake City on the nights of July 29th and 30th , and August 2d , 5th , and 6th . Observations for time were made at Colorado Springs on the nights of July 28th , 29th , 30th ...
Page 80
... connection will be made , is in Temple Square , Salt Lake City , Utah , and in charge of Assistant John H. Clark . Every observer is responsible for the receiving of the signals from the connecting - stations for certain re- ductions of ...
... connection will be made , is in Temple Square , Salt Lake City , Utah , and in charge of Assistant John H. Clark . Every observer is responsible for the receiving of the signals from the connecting - stations for certain re- ductions of ...
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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.