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 12
ice , making it sufficiently uncomfortable to restrain the ardor of an observer from extending his observations into the small hours of the night . From the experience of this season , and that of many others which I have undergone in ...
ice , making it sufficiently uncomfortable to restrain the ardor of an observer from extending his observations into the small hours of the night . From the experience of this season , and that of many others which I have undergone in ...
Page 13
mit him to leave , which sometimes happened , Mr. Henderson , who was off duty at this hour , was obliging enough to supply his place gratuitously . Mr. F. R. Simonton was my assistant here , and kept , in conjunction with C. Herbert ...
mit him to leave , which sometimes happened , Mr. Henderson , who was off duty at this hour , was obliging enough to supply his place gratuitously . Mr. F. R. Simonton was my assistant here , and kept , in conjunction with C. Herbert ...
Page 28
Local sidereal hour . h . 22.50 23.50 23.00 23.00 23.25 24.00 Local sidereal hour . h . 22.00 21.75 22.50 SALT LAKE . - NEGUS 1511 . 22.50 21.75 22.50 Correction of chronometer . h . m . - I 52 55.725 S. 43.130 40.725 37.800 37.085 ...
Local sidereal hour . h . 22.50 23.50 23.00 23.00 23.25 24.00 Local sidereal hour . h . 22.00 21.75 22.50 SALT LAKE . - NEGUS 1511 . 22.50 21.75 22.50 Correction of chronometer . h . m . - I 52 55.725 S. 43.130 40.725 37.800 37.085 ...
Page 50
The following table shows the general direction of the wind at 7 a . m . , 2 p . m . , and 9 p . m . , giving the mean or prevailing direction of the wind for three hours before and three hours after the given time ; also the estimated ...
The following table shows the general direction of the wind at 7 a . m . , 2 p . m . , and 9 p . m . , giving the mean or prevailing direction of the wind for three hours before and three hours after the given time ; also the estimated ...
Page 65
17.433 19.067 20.000 17.975 16.583 19.733 16.550 20.467 Local sidereal hour . h . 17.0 19.0 18.0 17.0 17.0 19.0 18.0 18.0 NEGUS 1491 . Correction of chronometer . h . m . Q 10 -0 10 S. 6 . 10.120 ± 0.020 11.760 ± 0.014 12.540 ± 0.020 ...
17.433 19.067 20.000 17.975 16.583 19.733 16.550 20.467 Local sidereal hour . h . 17.0 19.0 18.0 17.0 17.0 19.0 18.0 18.0 NEGUS 1491 . Correction of chronometer . h . m . Q 10 -0 10 S. 6 . 10.120 ± 0.020 11.760 ± 0.014 12.540 ± 0.020 ...
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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
Popular passages
Page 53 - Ocean, the first thing which strikes us is, that, the north-east and south-east monsoons, which are found the one on the north and the other on...
Page 5 - Printing-Office, and that fifteen hundred copies be furnished on requisition from this Office. Very respectfully, your obedient servant, AA HUMPHREYS, Brigadier-Oeneral and Chief of Engineers.
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 |