ADVERTISEMENTS. 



ELECTRIC LANTERNS 



FOB 



OPTICAL PROJECTION and 



<* SPECTRUM WORK. 



AS MADE FOB OXFORD AND OTHER UNIVEB8ITIES. 



SINGLE, DOUBLE, AND TRIPLE. 



Optical * Lanterns 



and APPAEATUS for PEOJECTION of 

 every descrittion and of the highest 

 quality, as supplied to the Science and 

 Art Department and all the principal Uni- 

 versities at home and abroad. 



Slides of Every Subject. 

 Lantern Slides 



Of the Best Quality only, made from 



customers' Negatives or Sketches at 



low prices. 



ENLARGING * LANTERNS, 



3 in. to 15 in. 



AS MADE FOB THE POLYTECHNIC SCHOOL 

 OF PHOTOGBAPHY. 



SOLE MAKERS OF 



Wright & Newton's Patent Projecting Microscopes 



FOB ELECTBIC AND LIME LIGHT. See page 243 of this Book. 



SOLE MAKEBS rj Q I M f* I CT Q I CTT See page 55 of 

 OF nK I IM VJ Lt O J t I , this Book. 



SOLE MAKERS OF 



NEWTON'S PATENT 'REFULGENT' LAMPS. 



See page 6 of this Sook. 

 Largely used by Professional Photographers and the Trade for Enlarging purposes. 



Newton's Patent Microscopic Attachment, 



To fit on any Lantern. See page 242 of this Book. 

 Full Illustrated Catalogue of Lanterns, Slides, &c., ad. 



"KT-*. __^ fl MANUFACTUBIHG OPTICIANS TO THE QUEEN 



l\l QWTnn Or I n AND H ' K H - THE ^ BINCE OF WALES. 



I V II W I XI I 1 1 1 Makers of Lanterns & Slides to the Admiralty, 



ll U If lUJI Ok. U U the War Department, the Science and Art De- 



3 partment, and the principal Scientific Societies, 



3, FLEET STREET, LONDON. 



SOLE MAEEBS 

 OF 



