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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Results 1-5 of 25
Page 8
... level , and collimation corrections . A , B , C , azimuth , level , and collimation factors . = Tobserved time reduced to the mean of wires and corrected for rate . T'observed time corrected for instrumental errors . AR . apparent right ...
... level , and collimation corrections . A , B , C , azimuth , level , and collimation factors . = Tobserved time reduced to the mean of wires and corrected for rate . T'observed time corrected for instrumental errors . AR . apparent right ...
Page 11
... level ; northward , however , there is a gradual swell of the land , and within a few miles it cuts off the extensive view one is accustomed to on the great plains . Eastward and southward there is the usual rolling and slightly ...
... level ; northward , however , there is a gradual swell of the land , and within a few miles it cuts off the extensive view one is accustomed to on the great plains . Eastward and southward there is the usual rolling and slightly ...
Page 13
... level A , 1 " .21 ; and of the zenith - level , 1'.10 . ( b . ) Chronograph . The record of the observations for time , as well as the exchange of signals , with one exception ( the night of the 14th ) , was made by means of the ...
... level A , 1 " .21 ; and of the zenith - level , 1'.10 . ( b . ) Chronograph . The record of the observations for time , as well as the exchange of signals , with one exception ( the night of the 14th ) , was made by means of the ...
Page 15
... level A , 1 " .21 ; and of the zenith - level , 1'.10 . The wire which made the circuit between the stations Salt Lake and Cheyenne , counting the distance along the railroad , is some 550 miles , and does not include any battery or ...
... level A , 1 " .21 ; and of the zenith - level , 1'.10 . The wire which made the circuit between the stations Salt Lake and Cheyenne , counting the distance along the railroad , is some 550 miles , and does not include any battery or ...
Page 32
... Level , Level . No. of Micrometer Remarks . Date . star . reading . No. of Micrometer star . Remarks . reading . N. S. N. S. 1872 . T. D. 1872 . T. D. Oct. I 7101 27 34.5 15.0 39.0 Oct. I 8279 II 43.2 22.5 26.5 7114 5 45.5 30 late ...
... Level , Level . No. of Micrometer Remarks . Date . star . reading . No. of Micrometer star . Remarks . reading . N. S. N. S. 1872 . T. D. 1872 . T. D. Oct. I 7101 27 34.5 15.0 39.0 Oct. I 8279 II 43.2 22.5 26.5 7114 5 45.5 30 late ...
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Common terms and phrases
¹ Lyræ 12-Year Cat 24h local sidereal 30 late 30m local sidereal 50 Draconis 61 Cygni 9 Draconis Aquarii August bB aA cC Capricorni Cassiopeiæ Ceti Cheyenne chron chronograph chronom circuit Clamp Cloudy all day Colo Colorado Springs chronometer COLORADO TERRITORY Computations for Latitude Correction of chronometer Delphini eter final result Groom Groombridge 3241 Groombridge 4163 Half-sum of dec instrument July 28 July 30 Latitude of Cheyenne LATITUDE-OBSERVATIONS-Continued Level linations longitude Mean at 24h Mean for 19h Meridian Micrometer Name of Star nights Normal Equations Number Half-sum O.II Observations for Latitude.-Station October 14 October 18 pairs of stars Pegasi personal equation probable error REDUCTION Right Ascension Salt Lake chron SALT LAKE CITY SALT LAKE OBSERVATORY Springs chron SURVEYS WEST TABLES OF TIME-REDUCTIONS Tabulation of Stars TIME-REDUCTIONS AT RECEIVING-STATION-Continued UNIFORM TABLES Ursa Minoris UTAH TERRITORY wires Wyoming Territory ΔΤ ΙΟ Ο.ΟΙ