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A WEEKLY ILLUSTRATED JOURNAL OF SCIENCE 



BROWN ING'S TELE SCOPES. 



EIFLE AND DEER-STALKING TELESCOPES. 



With oxidised metal bodies covered with dark leather, with leather sling strap and leather caps, from^i is. 



NAVAL, MILITARY, OR TOURISTS' TELESCOPES. 



i6-inch_Telescope, with Object-glass i J-inch diameter, straight body, covered with leather and shade, ^2 ; in Germao 



silver, ^3 y. 



THE IMPROVED PANCRATIC TELESCOPE. 



A portable and very powerful Telescope for Naval or Military purposes, or for the use of Tourists. The instru- 

 ment is made of three sizes— 16-inch, 18-inch, and 24-inch when closed. The Telescope can be made to magnify at 

 pleasure from 15 to 35 diameters. Price from £1 loj'- 



Illustrated Catalogue of Telescopes, St'c, post free. 



JOHN BROWNING, 



Oi'TICAL AND PHYSICAL INSTRUMENT MAKER TO H.M. GOVERNMENT, THE ROYAL SOCIETY, 

 THE ROYAL OBSERVATORIES OF GREENWICH, EDINBURGH, &c., &c. 



6 3, STRAND, W.C, LONDON. 



FACTORY— SOUTHAMPTON STREET and EXETER STREET, LONDON. 

 PRIZE MEDAL, 1862. ESTABLISHED 100 YEARS. 



• Micrescopes, Spectroscopes, Opera Glasses, Sr'c., &'c. 



