A College Text-Book of Physics

In offering this work to my fellow teachers, a word of explana-tion is due.The book was undertaken some years ago when the writer
felt the want of a text-book adapted to the needs of students taking the general first year course in college. Ai> the work has slowly progressed several text-books of very similar aim have appeared, and it must be admitted that the call is not so impera-tive now as formerly; and yet it is hoped that the treatment here presented may meet some still existing demand and so justify its existence.What may be called the physical rather than the mathematical method has been preferred in giving definitions and explana-tions, because it is believed that the ideas presented are more easily grasped and more tenaciously held when the mind forms for itself a sort of picture of the conditions, instead of merely associating them with the symbols of a formula.