SCIENCE-ADVERTISEMENTS 



The Very Large Demand 

 From Universities, Colleges 

 and Schools for 



Spencer 

 Microscope 



No. 65 



which has been conceded to be near ideal 

 repetition for general laboratory work, 

 has enabled us to manufacture them 

 in such quantities as to effect a reduction 

 in cost, the advantage of which we are 

 glad to extend to our friends — the labora- 

 tory workers, on future purchases. 



Revised Prices For 

 1913 



A. new 16-page microscope circular with 

 revised prices of Spencer Microscopes is 

 just ready. 



It will pay you to get it before order- 

 ing another microscope. 



Sent on request. 



Spencer Microscope No. 65 B 



Equipped with 16 mm. and 4 mm. 

 objectives, dust proof, nose piece, one 

 eyepiece, iris diaphragm, complete in 

 cabinet. 



reduced $35 5() 



$31.50 



from 

 Discount to Schools 



Spencer Lens Company 



Buffalo, N. Y. 



