MR. TANCOCK is the secretary of the committee appointed by the British Astronomical Association for the purpose of encouraging the teaching of astronomy in schools. This book is based on courses of ...
General phenomena of the heavens. Definitions. The celestial sphere -- Astronomical instruments. Errors -- Refraction. Parallax. Dip of the horizon -- The earth. Its size, form, and rotation -- ...
THIS book is something of a curiosity, if only because it has reached an eighth edition. The first edition was published in 1869 for the benefit of the students of the U.S. Naval Academy. It was an ...
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