K3 



THE MICROSCOPICAL JOURNAL ADVeRTLSER. 



Dr. HENRI VAN HEURCK'S MICROSCOPE 



FOR HIGH-POW:eR WORK AND PHOTOMICROGRAPHY, 



AS MADE BY W. WATSON & SONS TO THE SPECIFICATION 

 OF Dr. VAN HEURCK OF ANTWERP. 



Fitted with fine adjustments of utmost 

 sensitiveness and precision, not 

 liable to derangement by wear. 



Has Rackwork Draw-tube to adjust Ob- 

 jectives to the thickness of Cover 

 Glass. 



Can be used with either Continental oi 

 English Objectives, the body length 

 being variable from 142 to 300 milli- 

 meters. 



Fine adjustment to Substage. 



As Figured, with 1 Eyepiece, 

 (but without centering 

 screws or divisions to 

 stage) 



Also made with Continental 

 form of foot 



Without Rackwork to Draw- 

 tube 80 00 



90 0(* 



Full description of the 

 above instrument, and 

 illustrated catalogue of 

 Microscopes and appa- 

 ratus, also classified 

 list of 40,000 Micro- 

 scopic Objects for- 

 warded post free on 



Awarded 37 GOLD and other Medals at the principal International Exhibitions of the World 



