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

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 #:
000457
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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PHOTO-TELEGRAPHY 361 arrangement on the electric circuit, by means of which a source of illumination can be made to act upon a second film also placed on a cylinder, the rotation of which is Selenium Cell. A/em st P Lamp . Right Pris^ Trans par en Cylinder. angled Film Axis Fig. 161. synchronized with that of the cylinder at the transmitting station. In practice these cylinders are driven by motors, and are so geared as to rotate about twelve times per minute. In the receiving circuit is a thin piece of foil which is