A LIST OF 



ACHROMATIC MICROSCOPES & APPARATUS, 



MADE BT 



J. B. DANCEE, 



©ptician, 

 No. 43, CROSS STREET, MANCHESTER. 



Lecture Table Microscopes, with Rack adjustments, 1 eye-piece, 

 large aperture, 1 inch (or J inch power), plain and concave 



mirrors, with japanned iron pillar and tripod, from i4 10 



Ditto, ditto, with brass pillar and tripod 5 5 



Single Microscopes, from ■. 2 2 



An improved Microscope with double pillars and axis to incline 

 the instrument to any angle, slidmg stage, rack motion, 

 and fine adjustment for the powers, 1 eye-piece, large 

 1 inch and J inch (or ^ inch) powers, in brass boxes, glass 

 condenser, with jointed support and stand, Aquatic or 

 live object box, forceps, plyers, knife point and brass key, 

 neatly packed in an upright polished mahogany case, with 



a drawer 10 10 



A larger size Microscope ivith double pillars, sliding tube in 

 the body, long range of rack movement with two milled 

 heads, with apparatus and case similar to the above in- 

 strument 12 12 



The following apparatus can be supplied to the above Microscopes : 



Extra eye-pieces from lis. to 15 



Quarter-inch power object glass 2 10 



One-eighth-inch ditto from £3. 3s 4 4 



Stage movement with adjusting screws 2 2 



Polarizing prisms (mounted) £2. 2s 2 10 



Achromatic condenser 2 2 



Camera Lucida (in box) 1 1 



Adjustable compressor 1 1 



Micrometers for eye-piece (in box) 8 



Ditto for stage, from 55. to 10 



Mahogany case with six additional drawers, from £1. Is. to 15 

 The largest sized instrument, including all the above appar- 



ratus, packed in a mahogany cabinet with seven drawers 40 



J.T.NORMAN, 



PREPARER OF SPECIMENS FOR THE MICROSCOPE, 



10, FOUNTAIN PLACE, CITY ROAD. 



(Near the Toll Gate.) 



3. T. N. takes the present opportunity of informing Gentlemen engaged in 

 Microscopical Investigations, and Opticians, that he prepares all Kinds of Objects 

 to illustrate the various Branches of Natural Science, and has always a large 

 Assortment of the following Specimens on hand. 



Recent and Fossil Infusoria. 



Vegetable and Animal Tissues. 



Spicula of Sponges, Gorgonia, &c. 



Injections of various Animals. 



Test Objects. 



Urinary Deposits and Objects for the Polariscope. 

 Glass Slips, Cells, &e., wholesale and retail. Built Cells made to order. 



