410с

1941г

WORKING WITH

the

MICROSCOPE

by

Julian D. Corrington, ph.d.

Professor of Biology, Washington College, Chestertown, Maryland;

Editor, Microscope Department, "Nature Magazine"; Permanent Secretary, American Society of Amateur Microscopists; Author of "Adventures with the Microscope"

New York WHITTLESEY HOUSE London

mcgraw-hill book company, inc.