Your Laboratory x k 
Is it supplied with the latest and most usable appar= 
atus, and are you drawing your supplies from the 
most available source? Send us a trial order and 
notice the difference. ^ jSl 
From the Simplest to the Most Complele. 
For Stiuli'iits, I’hysiciiins ami .Specialists. Fri.l. 
Gliak.^ntee vvitli every Iiisiruiiieiit. 
MAGNIFIERS 
Xo. .SO. Folding I’ocket Magnifier 
Xo. 51. “ " “ 
QK Tripod Magnifier, adjustable 
X^o. (>. Hand Magnifier, metal case 
Xo, 7. Folding Magnifier, metal case 
Xo. 172. Hasting’s Ai)lanatic Triplet . 
DISSECTING MICROSCOPES 
COMPOUND MICROSCOPES 
WRITE FOR DISCOUXTS 
CATALOGUE 
On Request 
Scientific Materials Company 
MAKERS = = = IMPORTERS 
7115- Penn Ave. 
Pittsburgh, Pa. 
