ADVERTISEMENTS. 



Estd. /l(ftf^^ C^tslk 183O. 



ZEISS, ROSS, GOERZ, 

 Anastigmatic Lenses. 



An absolutely unrivalled selection to suit every possible requirement of 

 Professional and Amateur Photographers and Process Workers. 



Finest English workmanship. Mounted in light and elegant settings, 

 with English scales of apertures. 



SEND FOR PRICE LIST OF 



Ross Symmetric Anastigmats. Zeiss Convertible Protars. 



Zeiss New Planar and Unar Lenses. Qoerz Double Anastigmats, etc. 



Also Field, Studio, and Hand i Science, Enlarging, and Projection 



CAMERAS. I LANTERNS, &c. 



IMPORTANT NOTICE. The Zeiss and Goerz Patent Anastigmatic Lenses 

 are manufactured (under license) by ROSS, LTD., at their Optical 

 Works, Clapham Common, EXACTLY TO FORMULAE 'SUPPIIED BY THE 

 PATENTEES ; and the optical glasses and methods of construction are 

 precisely simiJar to those employed by them, the only difference 

 between the respective lenses being that the anastigmats made by 

 ROSS, LTD., are mounted in the English style, and furnished with the 

 standard apertures of the Royal Photographic Society. 



111> New Bond stij London ' w - 



31, Cockspur St., Charing Cross, 

 Works: Clapham Common. SiW. 



Sole British Manufacturers of Zeiss and Goerz Lenses. 

 Awarded the GRAND PRIX and a GOLD MEDAL, PARIS, 1900. 



