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 5
Page 13
... giving any trouble . ( d . ) Battery . A local circuit of sufficient force was produced by two cups of zinc and copper ; a form known , I believe , among electricians as the Hill battery . It is simple , works a week or more without ...
... giving any trouble . ( d . ) Battery . A local circuit of sufficient force was produced by two cups of zinc and copper ; a form known , I believe , among electricians as the Hill battery . It is simple , works a week or more without ...
Page 45
... Giving the first series half - weight on account of the smaller number of the observa- tions and the less favorable condition of that night's work , the resulting latitude , and the one adopted for this station , is , 41 ° 7 ′ 46 ′′ .62 ...
... Giving the first series half - weight on account of the smaller number of the observa- tions and the less favorable condition of that night's work , the resulting latitude , and the one adopted for this station , is , 41 ° 7 ′ 46 ′′ .62 ...
Page 50
... giving the mean or prevailing direction of the wind for three hours before and three hours after the given time ; also the estimated force of wind for the same time . The last column gives the general appearance of the sky , and needs ...
... giving the mean or prevailing direction of the wind for three hours before and three hours after the given time ; also the estimated force of wind for the same time . The last column gives the general appearance of the sky , and needs ...
Page 78
... giving the probability that the errors result- ing from the declination - places of the stars will more nearly compensate each other , and that this part of the probable error of the final result will come within that result- ing from ...
... giving the probability that the errors result- ing from the declination - places of the stars will more nearly compensate each other , and that this part of the probable error of the final result will come within that result- ing from ...
Page 79
... giving the probability that the final result will be more independent of the declinations . From all the observations of pairs of stars observed on three or more nights , I find the probable error of one observation- and that of the ...
... giving the probability that the final result will be more independent of the declinations . From all the observations of pairs of stars observed on three or more nights , I find the probable error of one observation- and that of the ...
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Common terms and phrases
12-Year Cat 21h local sidereal 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 Herculis instrument July 28 July 30 Latitude of Cheyenne LATITUDE-OBSERVATIONS-Continued Level linations longitude Mean at 24h Mean for 17h Micrometer star Name of Star nights Normal Equations Number Half-sum O.II Observations for Latitude.-Station October 14 October 19 Pegasi personal equation Piscium probable error REDUCTION Remarks Right Ascension Sagittarii Salt Lake chron SALT LAKE CITY SALT LAKE OBSERVATORY Springs chron ß Lyræ 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