PAGE Kepler, J., 22, 29, 33, 38, 44, 46, 48–58, 60, 62, 66, 79, 83, 97, 110, 119, 161, 174 Kepler's laws. Kirchoff, G. R. Kirsch. Knobel, E. B.. 53 I I 15, 16 95 176 Lamont, J.. Ko-Show-King. Lagrange, J. L.. Lalande, J. J. L... Langrenus. 76, 78, 82, 151 144 76, 80, 82, 83, 91, 176 124 Laplace, P. S. de Lassel.. 62, 73, 77, 78, 82, 83, 156, 185 157 Newton, I., 6, 24, 53, 62, 64, 74, 78, 81, 86, 98, 99, 110, 114, 119, 143, 161, 169 Nicetas. 20, 32 124 Spots on the sun, 123; periodicity of Stars, parallax, 161; proper motion, 169; double, 167; binaries, 168, 171; new, 24, 45, 174; catalogues 158 Tycho Brahe, 29, 32, 38, 40, 47, 48, 49, 54, 63, 94, 95, 119, 164, 174 Ulugh Begh.. Uranus, discovery of. Velocity of light, 108, 163; of earth in orbit Verbiest. Vogel, H. C.. Von Asten. Walmsley. Walterus, B. Weiss, E.. Wells. Wesley. Whewell. Williams. Wilson, A.. Winnecke. Witte. Wollaston. Wolf, M.. Wolf, R. Wren, C. 31 83 95 117, 164, 171, 173 155 82 31, 94 158 153 132 141 13 122, 127 153 108 114 151, 158, 167 125 64 Wyllie, A. Yao. 97 ΙΟ 131 ΙΟ 100, 103 117 143 Half-Hours with the Stars A PLAIN AND EASY GUIDE to the KNOWLEDGE OF THE CONSTELLATIONS, showing, in 12 maps, the position for the United States of the Principal Star Groups, night after night, throughout the year, with an introduction and separate explanation of each map. True for every year. Maps and text especially prepared for American students. By RICHARD A. Proctor, F.R.A.S. 4°, boards $2.00 This is an entirely new edition, with new plates, prepared expressly for American students, of a work which in its original London issue has attained exceptional popularity. "No teacher who has the responsibility of instructing a class in astronomy can afford to be without it."-Chicago School Herald. Easy Star Lessons By RICHARD A. PROCTOR, F.R.A.S. With 48 Star Maps and 35 other Illustrations 89 $250 'Nothing so well calculated to give a rapid and thorough knowledge of the position of the stars in the firmament has ever before been designed or published."-Weekly Times. An Easy Guide to the Constellations By JAMES GALL, author of "The People's Atlas of the Stars," etc. New and Enlarged Edition, with 30 Maps, 16mo, 75 cts. net 'Excellently arranged and copiously illustrated, it should prove a valuable handbook for all who want to become familiar with the stars."-The Independent. The Stars By SIMON NEWCOMB, Retired Professor U. S. Navy 8°, Illustrated. No. 9 in the Science Series. (By mail, $2 20) Net $200 "The work is a thoroughly scientific treatise on stars. The name of the author is a sufficient guarantee of scholarly and accurate work."-Scientific American. G. P. Putnam's Sons New York London |