University of Virginia Library



A
HISTORY OF SCIENCE

BY

HENRY SMITH WILLIAMS, M.D., LL.D.

ASSISTED BY
EDWARD H. WILLIAMS, M.D.


IN FIVE VOLUMES
VOLUME III.

MODERN DEVELOPMENT OF THE
PHYSICAL SCIENCES

ILLUSTRATED

NEW YORK AND LONDON

HARPER & BROTHERS
PUBLISHERS MCMIV

Copyright, 1904, by HARPER & BROTHERS.
All rights reserved Published November, 1904.