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
A cylinder is attached , covered with paper , and is made to revolve once a minute . ... Removing the paper from the cylinder , both the minutes and the seconds will be found , if the instrument is working properly , recorded in ...
A cylinder is attached , covered with paper , and is made to revolve once a minute . ... Removing the paper from the cylinder , both the minutes and the seconds will be found , if the instrument is working properly , recorded in ...
Page 51
inches in diameter , graduated to every twenty minutes , and reading to single minutes by means of the vernier . Another cirele was affixed to the upper part of the tube , diviiled also , also to twenty minutes , and having in the ...
inches in diameter , graduated to every twenty minutes , and reading to single minutes by means of the vernier . Another cirele was affixed to the upper part of the tube , diviiled also , also to twenty minutes , and having in the ...
Page 68
By measuring the differences where I find the full minute , 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 ...
By measuring the differences where I find the full minute , 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 ...
Page 81
In the transmission of signals the record is to be made upon the chronograph or register at the two places over a space of five minutes in time , the connecting or Salt Lake station seneling for the first five minutes and the distant ...
In the transmission of signals the record is to be made upon the chronograph or register at the two places over a space of five minutes in time , the connecting or Salt Lake station seneling for the first five minutes and the distant ...
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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 |