The advance of photography : its history and modern applications (1911)

Page scan 00040 from The advance of photography : its history and modern applications

Record Details:

Title:
The advance of photography : its history and modern applications
Date:
1911
Publisher:
London : K. Paul, Trench, Trübner & Co., Ltd.
Volume:
The advance of photography : its history and modern applications
Leaf #:
00040
Language:
English
Subjects:
Motion Pictures, Motion pictures--Technology
Collection:
Books
Format:
Books
Contributor:
Media History Digital Library
Sponsor:
Media History Digital Library
Coordinator:
Media History Digital Library
Description:
Date Added:
May 02, 2024
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18 THE ADVANCE OF PHOTOGRAPHY on paper ; for instance, leaves of plants, patterns of stuffs, etc. Lichtpaus Process. — The process was again resumed, under the name of lichtpaus papier, after it had almost been forgotten. We give (in Fig. 5) a faithful imitation of one of these leaf-prints which were at the time very popular in America. The leaves — such as ferns and the like — were suitably chosen, pressed between blotting paper and dried, then gummed on one side and arranged upon a glass plate in a small printing frame. As soon as the whole was dry the print could be commenced. To many persons this process appeared only an agreeable pastime, but it soon gained an increasing importance as an aid in copying drawings, maps, plans, copperplate impressions, and FiS 5' so forth. This work of copying, which used to cost the artisan and artist many hours of time and labour, and yet was after all inaccurate, can be accomplished with the least possible trouble by the help of the process described above. In this cop}dng process a drawing was placed on a piece of sensitized paper, and, after being firmly pressed by a glass plate, exposed to the light. The light penetrates through all the white spots of the drawing, and colours brown those parts of the paper lying under them ; whilst the black lines of the drawing keep back the light, and