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 |
From inside the book
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Page 3
Uniform tables of time reductions at sending and receiving stations Correction and rate of chronometers . ... Tabulation of stars used for time Corrections and rates of chronometers Signals for determination of longitude between Salt ...
Uniform tables of time reductions at sending and receiving stations Correction and rate of chronometers . ... Tabulation of stars used for time Corrections and rates of chronometers Signals for determination of longitude between Salt ...
Page 8
a , b , c , A , B , C , azimuth , level , and collimation corrections . azimuth , level , and collimation factors . Tobserved time reduced to the mean of wires and corrected for rate . T'observed time corrected for instrumental errors .
a , b , c , A , B , C , azimuth , level , and collimation corrections . azimuth , level , and collimation factors . Tobserved time reduced to the mean of wires and corrected for rate . T'observed time corrected for instrumental errors .
Page 27
... 40.26 21 49.31 24 40.87 33.79 34.20 33.75 33.81 33.76 33.86 34.02 34.34 33.84 33.76 33.65 -I 52 33.91 ΔΤ S. h . m . -152 33.36 33.83 33.79 33.53 33.33 33.61 33.32 -I 52 33.54 The following table shows the corrections and the rate of 27.
... 40.26 21 49.31 24 40.87 33.79 34.20 33.75 33.81 33.76 33.86 34.02 34.34 33.84 33.76 33.65 -I 52 33.91 ΔΤ S. h . m . -152 33.36 33.83 33.79 33.53 33.33 33.61 33.32 -I 52 33.54 The following table shows the corrections and the rate of 27.
Page 28
The following table shows the corrections and the rate of the chronometers used at Cheyenne and Salt Lake City : Date . 1872 . October 5 Date . 14 16 18 19 21 1872 . October 5 14 16 18 19 21 CHEYENNE . - NEGUS 1499 .
The following table shows the corrections and the rate of the chronometers used at Cheyenne and Salt Lake City : Date . 1872 . October 5 Date . 14 16 18 19 21 1872 . October 5 14 16 18 19 21 CHEYENNE . - NEGUS 1499 .
Page 30
The conditional equations were sometimes formed with and sometimes without the correction for collimation ( c ) ; in the former case it was obtained from a preliminary reduction . All the observations at both stations were made under ...
The conditional equations were sometimes formed with and sometimes without the correction for collimation ( c ) ; in the former case it was obtained from a preliminary reduction . All the observations at both stations were made under ...
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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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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 |