A New Astronomy 



BY DAVID P. TODD, M.A., Ph.D. 

 Professor of Astronomy and Director of the Observatory, Amherst College 



Cloth, 12mo, 480 pages. Illustrated. Price $1.30 



This book is designed for classes pursuing the study of 

 Astronomy in High Schools, Academies, and Colleges. The 

 author's long experience as a director in astronomical observ- 

 atories and in teaching the subject has given him unusual 

 qualifications and advantages for preparing an ideal text-book. 



The noteworthy feature which distinguishes this from other 

 text-books on Astronomy is the practical way in which the 

 Xibjects treated are reenforced by laboratory experiments 

 and methods. In this the author follows the principle that 

 Astronomy is preeminently a science of observation and 

 should be so taught. 



By placing more importance on the physical than on the 

 mathematical facts of Astronomy the author has made every 

 page of the book deeply interesting to the student and the 

 general reader. The treatment of the planets and other 

 heavenly bodies and of the law of universal gravitation is 

 unusually full, clear, and illuminative. The marvelous dis- 

 coveries of Astronomy in recent years, and the latest advances 

 in methods of teaching the science, are all represented. 



The illustrations are an important feature of the book. 

 Many of them are so ingeniously devised that they explain at 

 a glance what pages of mere description could not make c T ear. 



Copies sent, prepaid, on receipt of the price. 



American Book Company 



NEW YORK CINCINNATI . CHICAGO 



(S. 18 1) 



