A Treatise on Practical Astronomy: As Applied to Geodesy and Navigation |
From inside the book
Results 1-5 of 83
Page vii
... reading microscope - The micrometer . Eccentricity of graduated circles ...... The sextant .... The prismatic sextant .. Adjustments of the sextant .. Method of observing .... Index error ..... Eccentricity of the sextant ... The ...
... reading microscope - The micrometer . Eccentricity of graduated circles ...... The sextant .... The prismatic sextant .. Adjustments of the sextant .. Method of observing .... Index error ..... Eccentricity of the sextant ... The ...
Page 1
... reader is supposed to be familiar with the theory of probability as de- veloped in the ordinary text - books on algebra . See , for instance . Davies Bourdon , edition of 1874 , p . 322 , or Olney's University A'gebra , p . 294 tions of ...
... reader is supposed to be familiar with the theory of probability as de- veloped in the ordinary text - books on algebra . See , for instance . Davies Bourdon , edition of 1874 , p . 322 , or Olney's University A'gebra , p . 294 tions of ...
Page 2
... reading . When such errors are large they are not likely to give much trouble , as their true nature appears at once . When they are small they may prove embarrassing . The present discussion does not apply to them , and we shall ...
... reading . When such errors are large they are not likely to give much trouble , as their true nature appears at once . When they are small they may prove embarrassing . The present discussion does not apply to them , and we shall ...
Page 6
... reading of the instrument with which the obser- vations were made . The greater the degree of precision in the data , however , the more closely will our locus approach continuity ; so by regarding it as a continuous curve we have a ...
... reading of the instrument with which the obser- vations were made . The greater the degree of precision in the data , however , the more closely will our locus approach continuity ; so by regarding it as a continuous curve we have a ...
Page 40
... reader refer to the example found on page 329. The num- ber of observation equations is twelve , each of which has been multiplied by the square root of its weight . The num- ber of unknown quantities is three , the coefficients of ...
... reader refer to the example found on page 329. The num- ber of observation equations is twelve , each of which has been multiplied by the square root of its weight . The num- ber of unknown quantities is three , the coefficients of ...
Contents
1 | |
7 | |
13 | |
20 | |
26 | |
32 | |
41 | |
47 | |
54 | |
65 | |
71 | |
78 | |
84 | |
92 | |
99 | |
107 | |
114 | |
120 | |
127 | |
149 | |
155 | |
162 | |
168 | |
174 | |
180 | |
186 | |
194 | |
207 | |
215 | |
222 | |
229 | |
247 | |
257 | |
265 | |
276 | |
283 | |
388 | |
398 | |
413 | |
423 | |
435 | |
443 | |
460 | |
474 | |
481 | |
487 | |
493 | |
501 | |
507 | |
519 | |
525 | |
535 | |
542 | |
552 | |
558 | |
564 | |
575 | |
583 | |
590 | |
598 | |
609 | |
617 | |
623 | |
Other editions - View all
Common terms and phrases
accuracy altitude angle applied approximation arithmetical mean ascension and declination axis azimuth Bessel catalogue celestial sphere centre chronograph chronometer circle circumpolar stars clamp co-ordinates coefficients collimation computation constant convenient culmination determined difference differential dt dt earth east ecliptic elongation emersion ephemeris equal example follows formulę geocentric given gives Greenwich horizon hour-angle instant latitude limb logarithms longitude mean solar measured meridian method micrometer middle thread moon moon's right ascension multiplied Nautical Almanac obtained occultation parallax plane position prime vertical probable error proper motion reading reduced refraction right ascension screw semidiameter sextant sidereal sin² star's stars observed Substituting subtract telescope tion transit instrument unknown quantities values vernier weight write zenith distance ΙΟ
Popular passages
Page 645 - ... Nutrition 8vo, 4 oo Budd and Hansen's American Horticultural Manual: Part I. Propagation, Culture, and Improvement I2mo, i 50 Part II. Systematic Pomology I2mo...