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 3
... Tabulation of stars used Instrumental values Uniform tables of time reductions at sending and receiving stations Correction and rate of chronometers Grouping of series of exchange of signals Personal equation Probable error .
... Tabulation of stars used Instrumental values Uniform tables of time reductions at sending and receiving stations Correction and rate of chronometers Grouping of series of exchange of signals Personal equation Probable error .
Page 7
... of exchange - signals , including means of single and serial results . 12. Personal equation . 13. Probable error by least squares . 14. Resulting longitude . 15. Reduction of the latitude - observations properly grouped ...
... of exchange - signals , including means of single and serial results . 12. Personal equation . 13. Probable error by least squares . 14. Resulting longitude . 15. Reduction of the latitude - observations properly grouped ...
Page 13
... 1 " .21 ; and of the zenith - level , 1 " .10 . ( 6. ) Chronograph . 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 ...
... 1 " .21 ; and of the zenith - level , 1 " .10 . ( 6. ) Chronograph . 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 ...
Page 28
1872 . October 5 22.00 - O 2 10.415 14 21.75 23.050 - 0.059 16 22.50 26.455 - 0.070 18 22.50 29.760 . · 0.069 19 21.75 31.515 - 0.075 21 22.50 35.445 - 0.081 ( 11. ) GROUPING OF SERIES OF EXCHANGE - SIGNALS 28.
1872 . October 5 22.00 - O 2 10.415 14 21.75 23.050 - 0.059 16 22.50 26.455 - 0.070 18 22.50 29.760 . · 0.069 19 21.75 31.515 - 0.075 21 22.50 35.445 - 0.081 ( 11. ) GROUPING OF SERIES OF EXCHANGE - SIGNALS 28.
Page 29
GROUPING OF SERIES OF EXCHANGE - SIGNALS . This table shows the result obtained for longitude each way each night and the mean of all the nights : Chronometric Signals sent fromStations of record . Means of signals sent and received .
GROUPING OF SERIES OF EXCHANGE - SIGNALS . This table shows the result obtained for longitude each way each night and the mean of all the nights : Chronometric Signals sent fromStations of record . Means of signals sent and received .
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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 |