NEW EDITION IN PREPARATION. 



XV. LIGHT AND PHOTOGRAPHY. By Dr. H. VOGBL and A. E. 

 GAIIKETT. Revised and brought up-to-date by A. E. GARBETT. 

 Illustrated. 



Will contain among other things chapters on the following : 



1. Historical Survey including Work of Wedgewood and Davy, 

 The Camera Obscura, The Daguerreotype, Talbot's Lichtpaus Paper, 

 The work of Niepce de St. Victor, Archer's negative process, the wet 

 plate, &c. 



II. The chemical action of light including Pseudo-photographic 

 impressions. 



III. Lenses Single lens, Portrait lens, Telephoto lens, &c. 

 IV Plates and Films. 



V. Photographic papers, and the preparation of photographic 

 prints. Photography with chromium compounds. 



VI. Camera appliances. 



VII. Photographic Art: (/&) Perspective; () Composition of 

 pictures ; (c) Scientific and Technical. 



VIII. Book illustration: (a) Collotype ; (&) Photo-lithography ; 

 (c) Halt tone process ; (d) The three colour process. 



IX. Astronomical photography. 

 X. Rontgen Ray photography. 

 XL Micro-photography. 

 XII. Colour photography. 

 XIII. Photo- telegraphy. 

 XIV. The kinematograph. 



NEW VOLUMES IN PREPARATION. 



EVOLUTION OF PURPOSIVE LIVING MATTER. By N. C. 

 MACNAMARA, F.R.C.S. 



CHRYSTALS. By Dr. A. E. H. TUTTON. 

 PRACTICAL ARCHAEOLOGY. By Prof. GABSTANG. 



A HISTORY OF BIRDS. By H. O. FORBES, LL.D., F.R.G.S., F.R.A.I., 



Reader in Ethnography in the University of Liverpool. 



THE MODERN SCIENCE OF LANGUAGE. By HENRY GANTLET 

 WYLD. 



