It is attached to a box, one and a half inches 

 high and less than four inches long, into which 

 it is neatly folded when not in use. The needles 

 are used for dissecting flowers, or other objects, 

 too small to be otherwise handled for analysis. 

 The lenses magnify about fifteen diameters ; or 

 with three lenses, about one-third more. 



A thousand things about forest, field or garden, 

 afford objects of intense interest for daily study. 



Prof. ASA GRA Y, of Harvard University, 

 our popular American Botanist, says of it : "I 

 do 7iot think anything better can be made for the 

 money? 



Price of Microscope, with two Lenses, - $1 50 



" three " - 1 75 



For Sale by 



AMERICAN BOOK COMPANY 



PUBLISHERS 



NEW YORK, CINCINNATI, CHICAGO 



Publishers of GRAY'S BOTANIES. 



