R. & J. 



MANUFACTURING^ OPTICIANS, 

 No. 1O16 Chestnut St., PHILADELPHIA. 



THE NEW SCHOLAR'S 

 MICROSCOPE. 



Complete, $25. 



THE HISTOLOGICAL 

 DISSECTING MI- 

 CROSCOPE. 

 Complete, $25. 



THE IMPROVED 

 'ECONOMIC 

 MICROSCOPE. 



Complete, $45. 



THE GLASS STAGE 

 ECONOMIC 



MICROSCOPE. 



Complete, $65. 



"THE IDEAL" MI- 

 CROSCOPE. 

 Complete, $75. 



THE NEW NATIONAL 



MICROSCOPE. 



Complete, $85. 



THE IMPROVED 

 NATIONAL 



MICROSCOPE. 

 Complete, $100. 

 "THE IDEAL," with swinging sub-stage. 



Mounting Materials, Dissecting Instruments, 

 Prepared Objects 



In every Department, and every article pertaining to the practical work of 



the microscopist. 



CLINICAL THERMOMETERS AND URINOMETERS, 

 SPECTACLES, EYE-GLASSES, OPERA 



GLASSES, ETC. 



Condensed and Illustrated Price List of 32 pages mailed to any address, FREE. 

 Full Catalogue of 176 pages for fifteen cents in stamps. 



