BROWNING’S 
ACHROMATIC TELESCOPES. 
I 
Achromatic Telescope! 
with 4-inch object-glass, of thJ 
best quality, 60 inches focml 
mounted on Browning’s Iml 
proved Double-joined TripoJ 
Stand, having quick and sloil 
screw motions in altitude ami 
azimuth, with three celestial 
eye-pieces, powers 60, 150, anl 
200 ; one terrestrial eye-piecl 
andfinder. The Telescope, wit ! 
rack adjustment, packed i| 
solid mahogany case, 
£45 O O. j 
This Instrument was dj 
signed at the request of, arl 
was approved by, the Astrl 
nomer-Boyal, Sir G. B. Air! - 
K.C.B. 
flO: 
Catalogue of Astronomical a.l 
Terrestrial Telescopes sent piM t 
free. 
JOHN BROWNING,! 
OPTICAL AND PHYSICAL INSTRl U 
MENT MAKER to H. M. G0VER4 
MENT, the ROYAL SOCIETY, I 
ROYAL OBSERVATORY of GREEI 
WICH, and the OBSER'I . 
TORIES of KEW, CAj : - 
BRIDGE, MELBOURNE, I 
U.S. NAVAL OBSERVATOl 
CAMBRIDGE and HARVAj 
UNIVERSITIES, HOBOMf 
COLLEGE, &c. &c. 
63 STRAND, W . 
FACTORY— SOUTHAMPTON ST., LONDON, W.C. 
ESTABLISHED lOO TEAES. 
1 
