HARTNACK MICROSCOPES. 



THE HARTNACK MICROSCOPES AND OBJECTIVES 



Acknowledged by the most eminent experts as the best in- 

 struments in the world for 



fflSTOLOGICAL, BOTANICAL, AND OTHER 

 SCIENTIFIC RESEARCH. 



Recommended by the Professors of Harvard Univer- 

 sity, and used in every Department. 



Arrangements have 

 been made by which 

 these Microscopes, with 

 their Objectives, can 

 now be placed upon the 

 American market in com- 

 petition with other manu- 

 factures. As 



SOLE AGENTS 



we guarantee them to be 

 as represented. 



MARICHN. 



= Prices from $20 to $300. 



Stand No. VII. 



Selling Agents for Chance's Slides and Cover Glasses, 

 and Markoe's Mounting Materials. 



IMPORTERS AXT> MANUFACTURERS OF 



MICROSCOPISTS' SUPPLIES, EDUCATIONAL SUPPLIES, 

 CHEMICAL AND PHILOSOPHICAL APPARATUS. 



Correspondence solicited. Catalogues on application. 



GEO. A. SMITH AND COMPANY, 



No. 7 Park Street, Boston. 



