ON ASTRONOMY, IN WHICH THE ELEMENTS OF THE SCIENCE ARE FAMILIALRY EXPLAINED IN CONNECTION WITH BIOGRAPHICAL WITH NUMEROUS ENGRAVINGS. BY DENISON OLMSTED, LL.D., PROFESSOR OF NATURAL PHILOSOPHY AND ASTRONOMY IN YALE COLLEGE Bebised Edition. INCLUDING THE LATEST DISCOVERIES. NEW YORK: HARPER & BROTHERS, PUBLISHERS, 329 & 331 PEARL STREET, FRANKLIN SQUARE. 1858. |