Your Laboratory ?!=, 
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. ^ 
From the Simplest to the Most Complete. 
For Students, I’hjsicians and Specialists. Fri.i. 
Gu.tn.vNTEE with every Inslnnnent. 
MAGNIFIERS 
No. .10. Folding I’ocket Maijnifier 
Xo. 51. “ ■' “ 
(JR Tripod Magnitier, adjustal)Ie 
Xo. 6. Hand Ma.gnifier, metal case — 
Xo. 7. Folding Magnifier, metal case 
Xo. 172. Ilasting's .tplanaiie Triplet . . 
COMPOUND MICROSCOPES 
S26.00 Hli 1 
35.00 1511 8 
10.00 t'.\ 8 
1).00 1 ) 1)8 
WRITE FOR DISCOUNTS 
CATALOGUE 
On Request 
Scientific Materials Company 
MAKERS - = - IMPORTERS 
71 Penn Ave. 
Pittsburgh, Pa. 
