Report Upon the Determination of the Astronomical Coordinates 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 MeridianU.S. Government Printing Office, 1874 - 82 pages |
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Page 7
Description of observatory ; including personnel of party , name of telegraphoperator , and name of telegraph - company whose wire has been employed . 5. Description of instruments used . 6. Points with which connections were made ...
Description of observatory ; including personnel of party , name of telegraphoperator , and name of telegraph - company whose wire has been employed . 5. Description of instruments used . 6. Points with which connections were made ...
Page 8
T = observed time reduced to the mean of wires and corrected for rate . T. T = observed time corrected for instrumental errors . AR . = apparent right ascension of star . 4T 4 , T = resulting error of the chronometer after the mean of ...
T = observed time reduced to the mean of wires and corrected for rate . T. T = observed time corrected for instrumental errors . AR . = apparent right ascension of star . 4T 4 , T = resulting error of the chronometer after the mean of ...
Page 13
The observatory was west of the telegraph - office , and the main connection was effected by a loop into one of the main overland wires and put in communication with Salt Lake by a switch at Ogden . The local connections , including the ...
The observatory was west of the telegraph - office , and the main connection was effected by a loop into one of the main overland wires and put in communication with Salt Lake by a switch at Ogden . The local connections , including the ...
Page 15
The wire which made the circuit between the stations Salt Lake and Cheyenne , counting the distance along the railroad , is some 550 miles , and does not include any battery or repeating - office . At Cheyenne there was a repeating ...
The wire which made the circuit between the stations Salt Lake and Cheyenne , counting the distance along the railroad , is some 550 miles , and does not include any battery or repeating - office . At Cheyenne there was a repeating ...
Page 51
A ground - wire was used after switching in the Western Union office to complete the circuit . In the northeast corner of the tent the ... Wires for the comection of the chronometer and breaking - key were fastened to the tent - frame .
A ground - wire was used after switching in the Western Union office to complete the circuit . In the northeast corner of the tent the ... Wires for the comection of the chronometer and breaking - key were fastened to the tent - frame .
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Common terms and phrases
30m local sidereal 61 Cygni 9 Draconis aA cC Adopted Aquarii Aquilæ ASSISTANTS astronomical August breaks Capricorni Cephei Changed charge Cheyenne chron chronograph chronom circuit Clamp clear Cloudy Colo Colorado Springs chronometer COLORADO TERRITORY connections Corrections Cygni Date Declination Delphini Determination difference Draconis Engineers eter exchange feet final result GEOGRAPHICAL giving Groom heavy Herculis hour July 31 late Latitude LATITUDE-OBSERVATIONS—Continued Level longitude Lyræ Mean Meridian Micrometer star miles minutes Name of Star nights Normal Equations observations October October 14 Ophiuchi pair Pegasi Piscium placed probable error rain reading received record REDUCTION Remarks Right Sagittarii Salt Lake chron Salt Lake City SALT LAKE OBSERVATORY shows signals sent Springs chron station SURVEYS TABLES OF TIME-REDUCTIONS tent UNIFORM TABLES United Ursæ UTAH TERRITORY Washington Western wind wires Wyoming Territory аА сс
Bibliographic information
| Title | Report Upon the Determination of the Astronomical Coordinates 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 |
| Author | Geographical Surveys West of the 100th Meridian (U.S.) |
| Publisher | U.S. Government Printing Office, 1874 |
| Original from | Cornell University |
| Digitized | 28 Feb 2013 |
| Length | 82 pages |
| Export Citation | BiBTeX EndNote RefMan |