Practical cinematography and its applications (1913)

Page scan 000130 from Practical cinematography and its applications

Record Details:

Title:
Practical cinematography and its applications
Date:
1913
Publisher:
Philadelphia, Lippincott
Volume:
Practical cinematography and its applications
Leaf #:
000130
Language:
English
Collection:
Books
Format:
Books
Contributor:
Gerstein - University of Toronto
Sponsor:
MSN
Coordinator:
Media History Digital Library
Description:
14
Date Added:
July 19, 2022
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PRINTING THE POSITIVE 91 The positive is developed in exactly the same way as the negative, and with the same solutions. When dry the positive, which may have been printed in short distinct lengths, should be connected up with the aid of cement as described in a previous chapter. If titles have to be intro- duced they may be inserted wherever required, merely by severing the film at that point, and introducing the length carrying the explanation. The preparation of the titles is a simple matter. If printed type is used, the letters cut out of white paper or cardboard are laid flat upon a level surface with a black background. The camera is then placed overhead with the lens pointing downwards upon the centre of the title space. The latter, brilliantly illuminated, is then photographed at the rate of sixteen pictures per second for a period of ten seconds or more according to requirements. In many instances, especially in non-topical work, the operator need not necessarily incur the expense and trouble of printing a positive film. Many of the purchasers of educational and popularly scientific films will give their decision after having seen the negative passed through the projector in the manner of a positive film. So long as great care is used, this can be done without ill effects, but of course the slightest scratch or abrasion that the negative may receive