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 13
Chronograph . The record of the observations for time , as well as the exchange of signals , with one exception ( the night of the ... the chronograph , of the form contrived by Professor Harkness , United States Naval Observatory .
Chronograph . The record of the observations for time , as well as the exchange of signals , with one exception ( the night of the ... the chronograph , of the form contrived by Professor Harkness , United States Naval Observatory .
Page 30
The record , in both instances , was made on a chronograph . The result shows a large difference — Mr . Austin observing later than myself , as may be seen by a statement of the following clock - errors : Salt Lake City ...
The record , in both instances , was made on a chronograph . The result shows a large difference — Mr . Austin observing later than myself , as may be seen by a statement of the following clock - errors : Salt Lake City ...
Page 51
In the northeast corner of the tent the chronograph was placed upon a solid and insulated framework . Wires for the comection of the chronometer and breaking - key were fastened to the tent - frame . The levels were also set on an ...
In the northeast corner of the tent the chronograph was placed upon a solid and insulated framework . Wires for the comection of the chronometer and breaking - key were fastened to the tent - frame . The levels were also set on an ...
Page 52
The galvanic connections were made by means of a switch - board , the connections of which are given in the following diagram : Chronograph Break Circuit Key Main Line . Main Line Local Battery | Chronometer XI / 1 YI 111 11 5 Pelay ...
The galvanic connections were made by means of a switch - board , the connections of which are given in the following diagram : Chronograph Break Circuit Key Main Line . Main Line Local Battery | Chronometer XI / 1 YI 111 11 5 Pelay ...
Page 68
... I develop the fact that the Colorado Springs chronometer breaks 08.110 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 528.018 .
... I develop the fact that the Colorado Springs chronometer breaks 08.110 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 528.018 .
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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 |