ACHROMATIC MICROSCOPES, 



MADE AND SOLD BY 



C. BAKER, 



243 AND 244, HIGH HOLBORN, 

 LONDON. 



s. d. 



No. 1. Highly finished large Compound Microscope, with 

 all the latest improvements, having double supports to 

 prevent vibration, with quick and slow motion for the 

 most delicate optical adjustment, a mechanical stage 

 with one-inch motion in opposite directions, a sliding 

 and revolving object holder, wheel of diaphragms, 

 apparatus for the reception of the polariscope, achro- 

 matic condenser, &c., large plain and concave adjusting 

 mirror with two hiiyghenian eye pieces of the best 

 construction ... ... ... 13 10 



Solid Spanish mahogany Case for ditto, with drawer 



beneath, and packed complete for apparatus ... 200 



The above without the mechanical stage, but having all 



the other motions and fittings ... ... ... 10 10 



No. 2. A smaller Microscope, having mechanical stage, 

 quick and slow motion, double mirror, &c., and similar 

 in all parts to No. 1 ... ... ... 9 10 



Ditto ditto, without mechanical stage, but having 



a sliding object holder, and all the other motions, with 

 one hiiyghenian eye piece ... ... ... 615 



Solid Spanish mahogany Case for ditto, with drawer 



beneath, and packed complete for apparatus ... 176 



No. 3. A beautifully finished Student's Microscope, with 

 sliding stage, quick and slow motion, one-inch, half- 

 inch, and quarter-inch achromatic object glass, live box, 



