Incubators

A simple, well constructed bacteriological
incubator


GAGE—The Microscope

An Introduction to Microscopic Methods and to Histology

By SIMON H. GAGE.

Twelfth Edition. Entirely rewritten, and with many new illustrations. Price, postpaid, $3.00.

This work aims to give help to everyone who uses the microscope, whether he is a beginner or an advanced worker.