Studies in Spherical and Practical Astronomy - Comstock 



Minor suggestions - Page 



The reduction of level readings, 57 



To focus a telescope. 58 



I. A simple but accurate expression for the 60 

 atmospheric refraction. 



II. To correct the sun's declination for the 64 

 effect of refraction. 



III. Determination of the angular equivalent of 68 

 one division of a spirit level. 



IV. The simultaneous determination of flexure, 75 

 inequality of pivots, and value of a level 

 division for a "broken" transit. 



V. Determination of time and azimuth from 81 

 transits over the vertical of the pole star. 



VI. Determination of latitude and time from 94 

 equal altitudes of stars. 



M177041 



