American cinematographer (Jan-Dec 1945)

Page scan 00074 from American cinematographer

Record Details:

Title:
American cinematographer
Date:
Jan-Dec 1945
Publisher:
Hollywood : A.S.C. Agency, Inc.
Volume:
American cinematographer (Jan-Dec 1945)
Leaf #:
00074
Language:
English
Collection:
Technical Journals and Hollywood Studio System
Format:
Periodicals
Contributor:
Media History Digital Library
Sponsor:
Media History Digital Library
Coordinator:
Media History Digital Library
Date Added:
May 02, 2024
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{No. 4 of a series on the manufacture of Du Pont Motion Picture Film.) Birth of the iilm base THIS PICTURE shows a work¬ man examining the newly plated surface of one of the huge “casting” wheels, which converts “dope” into film base in the Du Pont film plant. In the casting house this wheel and others like it revolve slowly and steadily in a gentle countercurrent of conditioned air. The “dope” — a viscous, syrupy solu¬ tion — is cast upon the highly polished surface of the revolving wheel. Introduction of heat evapo¬ rates part of the solvents; and before one turn of the wheel is complete, the skin of “dope” has become sufficiently strong to be peeled from the surface. Thus the crystal-clear nitrate base of Du Pont Motion Picture Film is born. Here is a film used by out¬ standing Cinematographers. Its notable ability to retain the la¬ tent image ... its wide exposure latitude . . . color balance and de¬ pendable uniformity of speed and contrast are highly approved characteristics of this fine film. E. I. du Pont de Nemours & Co. (Inc.), Photo Products De¬ partment, Wilmington 98, Del. In New York: Empire State Bldg. In Hollywood : Smith & Aller, Ltd. Buy War Bonds regularly . . . help support our fighting forces! DU PONT MOTION PICTURE FILM BETTER THINGS FOR BETTER LIVING ...THROUGH CHEMISTRY *!ES. U. s. PAT. OFF 74 March, 1945 ® American Cinematographer