BROWNING’S ASTRONOMICAL TELESCOPES. 
THE EDUCATIONAL REFLECTING TELESCOPE. 
with Silvered Glass Mirror 4^in. in diameter, 5 ft f 
m 
focus, mounted on a Parallactic Stand for following! 
the heavenly bodies with one motion by means of ail 
endless driving-screw and Hook’s joint, with two eye! 
pieces. 
PRICE £22. 
Powers can be used up to 400 diameters o j 
many stars with advantage. 
A REDUCED LIST OF PRICES OF 
TELESCOPES FREE. 
Sixth Edition, with much new matteB 
A PLEA tor REFLECTOR! 
being a Description of Asti# 
nomical Telescopes, will* ‘ 
silvered glass specu* 
and instructions fffe 
using and adjust iflfl 
them, with many IlEl 
trations and Colouife 
Frontispiece of Jupitlji ;■ 
BY 
JOHN BROWNING, F.R.li 
One Skilling , post /?’■ 
tTOBLUST BROWNING, 
INSTRUMENT MAKER TO H.M. GOVERNMEN 
63 STRAND, W.C., LONDON. 
MICROSCOPES, SPECTROSCOPES, SPECTACLES, drc. &c. 
