 | Charles Davies - 1830 - 318 σελίδες
...calculated for the first of July of each year. telescope of the theodolite. Let this board be so fixed to a vertical staff, as to slide up and down freely...inches square, be nailed to the lower edge of it. About twenty-five minutes before the time of the greatest eastern or western elongation of the pole-star,... | |
 | Charles Davies - 1830 - 390 σελίδες
...centre ; the diameter of telescope of the theodolite. Let this board be so fixed to a vertical stal1', as to slide up and down freely : and let a small piece...inches square, be nailed to the lower edge of it. About twenty-five minutes before the time of the greatest eastern or western elongation of the pole-star,... | |
 | Charles Davies - 1837 - 342 σελίδες
...1°51f 1°55' 1°58' 2° 1 i' 2° 6' • 12 1846 1°46' 1°48l' 1° 51' 1° 541' 1° 571' 2° 1' 2° 51' to a vertical staff, as to slide up and down freely : and let « small piece of board, about three inches square, be nailed to the lower edge of it, for the purpose... | |
 | J. H. Hawes - 1868 - 252 σελίδες
...1° 49J' 1° 521' 1° 56' 2° GO' 1861 1° 411' 1° 43}' 1° 46}' 1° 49' 1° 521' 1° 55}' 1° 59J' inches square, be nailed to the lower edge of it,...the theodolite be placed at a convenient point and leveled. Let the board be placed about one foot in front of the theodolite, a lamp or candle placed... | |
 | J. H. Hawes - 1868 - 248 σελίδες
...being somewhat larger than the diameter of the telescope of the theodolite. Let this board be so fixed to a vertical staff as to slide up and down freely; and let a small piece of board, about three Year. Lat.32° Azimuth. Lat. 34° Azimuth. Lat. 36° Azimuth. Lat. 38° Azimuth. Lat. 40° Azimuth... | |
 | INSTRUCTIONS TO THE SURVEYORS GENERAL OF PUBLIC LANDS OF THE UNITED STATES. - 1871 - 106 σελίδες
...being somewhat larger than the diameter of the telescope of the theodolite. Let this board be so fixed to a vertical staff as to slide up and down freely;...eastern or western elongation of the pole-star, as sliown by the tables of elongations, let the theodolite be placed at a convenient point and leveled.... | |
 | Charles Davies - 1871 - 448 σελίδες
...1° 38$' 1°41' 1°44' 1° 47}' 1° 50}' the telescope of the theodolite. Let this board be so fixed to a vertical staff, as to slide up and down freely:...the lower edge of it, for the purpose of holding a caudle. About twenty-five minutes before the time of the greatest eastern or western elongation of... | |
 | J. H. Hawes - 1873 - 234 σελίδες
...being somewhat larger than the diameter of the telescope of the theodolite. Let this board be so fixed to a vertical staff as to slide up and down freely; and let a small piece of board, about three Year. Lat, 32° Azimuth. Lat. 34° Azimuth. Lat. 36° Azimuth. Lat. 38° Azimuth. Lat. 40° Azimuth... | |
 | United States. General Land Office - 1881 - 138 σελίδες
...being somewhat larger than the diameter of the telescope of the theodolite. Let this board be so fixed to a vertical staff" as to slide up and down freely...the theodolite be placed at a convenient point and leveled. Let the board be placed about one foot in front of the theodolite, a lamp or candle placed... | |
 | Charles Davies - 1883 - 578 σελίδες
...being somewhat larger than the diameter of the telescope of the transit. Let this board be so fixed to a vertical staff as to slide up and down freely...western elongation of the pole-star, as shown by the table of elongations (see Art. 164), let the transit be placed at a convenient point and leveled. Let... | |
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Let this board be so fixed to a vertical staff" as to slide up and down freely ; and let a small piece of board, about three inches square, be nailed to the lower edge of it, for the purpose of holding a candle. About twenty-five minutes before the time... 
