AstronomyDetermination of time, longitude, latitude, and azimuth . XII CIRCUMPOLAR STARS. Polaris Station. DIAGRAM SHOWING DIRECTIONS TO TRIANGU LATION STATIONS AND POLARIS. Form 251 DETERMINATION OF AZIMUTH. Horizontal directions. [Station, Sears, Tex. (Triangulation Station). Observer, W. Bowie. Instrument, Theodolite 168. Date, Dec. 22,1908.] 147 Posi-tion Objects observed Time or R Mic. Backward For-ward Mean Mean Dand R Direc-tion Remarks h m . / ,, „ 1 Morrison 8 19 DR ABC AB0 0180 000 354136 363235 354134 353134 S 1 division of thestriding , level=


AstronomyDetermination of time, longitude, latitude, and azimuth . XII CIRCUMPOLAR STARS. Polaris Station. DIAGRAM SHOWING DIRECTIONS TO TRIANGU LATION STATIONS AND POLARIS. Form 251 DETERMINATION OF AZIMUTH. Horizontal directions. [Station, Sears, Tex. (Triangulation Station). Observer, W. Bowie. Instrument, Theodolite 168. Date, Dec. 22,1908.] 147 Posi-tion Objects observed Time or R Mic. Backward For-ward Mean Mean Dand R Direc-tion Remarks h m . / ,, „ 1 Morrison 8 19 DR ABC AB0 0180 000 354136 363235 354134 353134 S 1 division of thestriding , level= Buzzard DR ABC ABC 53233 3030 434134 393438 424233 3732 38 37. S Allen D R ABC AB c 170 350 1414 615761 506353 6255 59 496053 Polaris D A 252 01 54 53 YV E h in s B 54 53 1 48 C 51 51 1 51 IS. 4 - 1 49 50. S R ABC 72 01 090210 0901OS 29. C - 148 U. S. COAST AND GEODETIC SURVEY SPECIAL PUBLICATION NO. 14. Computation of azimuth, direction method. [Station, Sears, Tex. Chronometer, sidereal 176


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