"^ 



SCIE 



Nbw Series FrIDAY JANUARY 28 1916 Single Copies, 15 Cts. 



Vol. XLUI. No. 1100 ^ KlUA Y , d AIM U A±C i: Z,0, i J7 J. U ANNUAL SDBSOEIPTION, (S-O 



BH2— $31.50 



F2— $31.50 



Bausch & Lomb Microscopes in a New Finish 



BAUSCH & LOMB MICROSCOPES BH2 and F2 are the leading labora- 

 tory models for school use. These instruments now have the black crystal finish 

 which is reagent-proof and much more durable than lacquer. 

 The BH is of the handle arm type, which is so widely used because of its sturdy 

 construction and ease of handling. The F has the long curved arm which leaves 

 the stage entirely free for manipulation of the specimen. The rounded edges 

 make for freedom from dust. 



Both of these instruments are constructed to withstand the rough usage of the 

 laboratory. The fine adjustment is of our lever type, which is simple and dur- 

 able. It ceases to operate when the objective touches the slide, and the microm- 

 eter head is locked to prevent removal. 



Illustrated circular on request 



Bausch ^ Ipmb Optical (6. 



409 ST. PAUL STREET ROCHESTER, N-M 



New York 



San Francisco 



Washington Cliicago 



London FranlcFort 



Awarded Qrand Prix for Microscopes at Panama-Pacific Exposition 



