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 |
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Page 8
4T , adopted mean error of chronometer . 0 ST = 4T - 4T . = 4Terror of the chronometer . v difference between mean final correction of chronometer and 4T . 1 REPORT ON ASTRONOMICAL OPERATIONS , 2 CONDUCTED DURING THE FIELD 1 ...
4T , adopted mean error of chronometer . 0 ST = 4T - 4T . = 4Terror of the chronometer . v difference between mean final correction of chronometer and 4T . 1 REPORT ON ASTRONOMICAL OPERATIONS , 2 CONDUCTED DURING THE FIELD 1 ...
Page 29
... 15 7.03 22 46 47.56 23 22 34.61 22 54 15.19 23 44 30.22 23 16 10.84 22 39 48.69 22 II 29.24 22 47 56.01 22 19 36.54 23 40 35.45 23 12 16.09 23 46 37.24 23 18 17.83 Difference of longitude . h . m . S. O 28 19.45 oh 28m 19.437 ...
... 15 7.03 22 46 47.56 23 22 34.61 22 54 15.19 23 44 30.22 23 16 10.84 22 39 48.69 22 II 29.24 22 47 56.01 22 19 36.54 23 40 35.45 23 12 16.09 23 46 37.24 23 18 17.83 Difference of longitude . h . m . S. O 28 19.45 oh 28m 19.437 ...
Page 30
Whatever differences there may have been between Mr. Austin and myself in recording time , technically known as the personal equation , is still involved in the longitude . To determine this difference , we had two nights ' observations ...
Whatever differences there may have been between Mr. Austin and myself in recording time , technically known as the personal equation , is still involved in the longitude . To determine this difference , we had two nights ' observations ...
Page 68
By measuring the differences where I find the full minute , I develop the fact that the Colorado Springs chronometer breaks 0.110 later than the Salt Lake break ; therefore the mean of the signals sent from Salt Lake and received on the ...
By measuring the differences where I find the full minute , I develop the fact that the Colorado Springs chronometer breaks 0.110 later than the Salt Lake break ; therefore the mean of the signals sent from Salt Lake and received on the ...
Page 69
17 58 48.39 17 30 30.41 - 0 10 19.18 +8 7 4.49 18 4 53.38 17 36 35.63 18 28 51.80 18 0 33.84 18 34 10.08 18 5 52.35 18 36 27.50 18 8 9.71 18 41 7.29 18 12 49.29 18 6 46.15 17 38 28.21 18 15 26.18 17 47 846 Difference of longitude . h ...
17 58 48.39 17 30 30.41 - 0 10 19.18 +8 7 4.49 18 4 53.38 17 36 35.63 18 28 51.80 18 0 33.84 18 34 10.08 18 5 52.35 18 36 27.50 18 8 9.71 18 41 7.29 18 12 49.29 18 6 46.15 17 38 28.21 18 15 26.18 17 47 846 Difference of longitude . h ...
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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 |