A WEEKLY ILLUSTRATED JOURNAL OF SCIENCE 



"To the solid ground 

 Of Nature trusts the mind which builds for aye." — WORDSWORTH 



No. 5 1 8, Vol. 20] 



THURSDAY, OCTOBER 2, 1879 



[Price Sixpence 



Registered as a Newspaper at the General Post Office.] 



[AH Rights are Reserved. 



BROWNINGS LANTERNS. 



THE NEW THREE-WICK LANTERN, 



The new Compact Lantern, with the patent three-wick lamp, for burning paraffin or any mineral oil, will give at 

 least 50 per cent, more light than any lamp previously introduced. The lamp burns without a chimney, and the 

 Lantern will give an excellent picture up to lo ft. diameter. 



Price of the Lantern, with three-wick lamp, double combination achromatic front lenses and rack adjust- 

 ' ' ment, complete in case, with condensing lenses 3j in, diameter ... ... ... ... .. £j^ 7 



With condensing lenses 4 in. in diameter ... ... ... ... ... .., ... ... 4 17 6 



Pair of the improved Compact Lanterns, with three-wick lamps, for dissolving views, complete in case, 

 l*a[with condensing lenses 3.i in. in diameter ... ... ... ... ... ... ... 10 15 



With condensing lenses 4 in. in diameter ... ... ... ... ... ... ... .,, 12 10 



Neiv Illustrated Catalogue of Electric Lanterns, Magic Lanterns, Slides, and Diagrams, Sixpence, 



JOHN BROWNING, 63, Strand, W.C, London. 



6 



