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 7
Points with which connections were made ; nights of observation , and observers ; also name of computer or computers . 7. Tabulation of stars used , and number of observations . 8. Instrumental values ; circumstances of telegraphic ...
Points with which connections were made ; nights of observation , and observers ; also name of computer or computers . 7. Tabulation of stars used , and number of observations . 8. Instrumental values ; circumstances of telegraphic ...
Page 11
There were no rains , nor any clouds , and , with the exception of two or three windy nights , the elements presented no obstacle whatever to a continued series of observations . In the early morning it would become cold enough to form ...
There were no rains , nor any clouds , and , with the exception of two or three windy nights , the elements presented no obstacle whatever to a continued series of observations . In the early morning it would become cold enough to form ...
Page 12
ice , making it sufficiently uncomfortable to restrain the ardor of an observer from extending his observations into the small hours of the night . From the experience of this season , and that of many others which I have undergone in ...
ice , making it sufficiently uncomfortable to restrain the ardor of an observer from extending his observations into the small hours of the night . From the experience of this season , and that of many others which I have undergone in ...
Page 13
The record of the observations for time , as well as the exchange of signals , with one exception ( the night of the 14th ) , was made by means of the chronograph , of the form contrived by Professor Harkness , United States Naval ...
The record of the observations for time , as well as the exchange of signals , with one exception ( the night of the 14th ) , was made by means of the chronograph , of the form contrived by Professor Harkness , United States Naval ...
Page 14
The nights of the 1st , 3d , 8th , 9th , 10th , 11th , and 12th were occupied on latitude , in which time 257 results were obtained . The 5th , 14th , 16th , 18th , 19th , and 21st were successively put in on longitude .
The nights of the 1st , 3d , 8th , 9th , 10th , 11th , and 12th were occupied on latitude , in which time 257 results were obtained . The 5th , 14th , 16th , 18th , 19th , and 21st were successively put in on longitude .
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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 |