PRACTICAL HINTS 



THE SELECTION AND USE 



MICROSCOPE. 



INTENDED FOR BEGINNERS. 



BY JOHN PILIN, 



EDITOR OF "THE AMERICAN JOURNAL OP MICROSCOPY." 



FOURTH EDITION. 



THOROUGHLY REVISED AND GREATLY ENLARGED. 



Illustrated with Six Plates and Numerous Figures in the Text. 



PRICE ONE DOLLAR. 



NEW YORK: 

 THE INDUSTRIAL PUBLICATION COMPANY. 



1881. 



COPYRIGHT SKCmiKl). 



