A WEEKLY ILLUSTRATED JOURNAL OF SCIENCE 



BROWNING'S ACHROMATIC TELESCOPES. 



Telescope, with 2-in. Object-glass, 2-ft. focus, with Terrestrial and Celestial Eye-piece, on Pillar and Claw 



Stand (as engraving), in Mahogany Case ... ... ... ... ... ... ... £10 



Telescope, with 2|-in. Object-glass, 2-ft. focus (as abov'e) ... ... ... ... ... ... £15 



Telescope, with 2^in. Object-glass, 3-ft. focus ... ... ... ... ... ... . £20 



Telescope, with 3-in. Object-glass, 3^-ft. focus ... ... ... ... ... ... . £30 



ILLUSTRATED LIST OF PRICES FREE BY POST. 



JOHN BROWNING, 

 63, STRAND, LONDON, W.C. 



