A key to the solar compass, and surveyor's companion; comprising all the rules necessary for use in the field. Also, description of the linear surveys, ... four months, etc. etc. By William A. Burt

About this book

The Solar Compass works astronomically in determining latitude, and in measuring horizontal angles from the true meridian, and in determining the declination, and hour arcs, of celestial objects within the Zodiac; and is further used as a magnetic compass.