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BROWNING’S 
MICROSCOPES. 
i _ 
The MODEL MICROSCOPE, made expressly for Class Demonstration. Has Rack, and 
fine Adjustment to the Body; large Stage, fitted with Universal Stage Motions; Removable 
Stage-Fittings for Apparatus ; Revolving Diaphragm A Eye-piece; and two Objectives, 
rin, 16°, and 4in. 75°. Price £5 tos. | 
Just Published, 
NEW ILLUSTRATED CATALOGUE OF MICROSCOPES 
AND ACCESSORY APPARATUS. 
With thirty-one Engravings (six whole page). Sent Free for Seven Stamps. 
JOHN BROWNING, 
OPTICAL AND PHYSICAL INSTRUMENT MAKER 
To Her Majesty's Government, the Royal Society, the Royal Observatories of Greenwich and 
Edinburgh, and the Observatories of Kew, Cambridge, Durham, Utrecht, Melbourne, &c., &c, 
63, STRAND, W.C., and 111, MINORIES, E. 
Factory:—6, VINE STREET, E.C., LONDON. 
PRIZE MEDAL, 1862. 
ESTABLISHED 100 YEARS, 
