Journal of the Society of Motion Picture Engineers (1930-1949)

Record Details:

Title:
Journal of the Society of Motion Picture Engineers
Date:
1930-1949
Publisher:
New York, N.Y. : The Society
Volume:
Journal of the Society of Motion Picture Engineers
Leaf #:
000201
Language:
English
Collection:
Technical Journals
Format:
Periodicals
Contributor:
Prelinger Library
Sponsor:
MSN
Coordinator:
Media History Digital Library
Description:
The Journal of the Society of Motion Picture Engineers (SMPE)Êdocuments the technological progress of the film industry, highlighting technical developments in production and exhibition. Of special interest are articles about special effects, theater practices, lighting, and the introduction of the 16mm format. Initially titled "Transactions of the Journal of the Society of Motion Picture Engineers."Digitized by the Prelinger Library and the Library of Congress Motion Picture, Broadcasting and Recorded Sound Division.
Date Added:
July 19, 2022
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198 BRADLEY August film fire; a vertical spread in this case. With such an arrangement the unit risk would be the entire tier of films. To compensate for this loss in volume of water when insulating shelves are used, directional spray-type sprinkler heads are recommended. It is also recommended that these heads be so positioned I I SHEATWEO I* ^ Fig. 2 — Front-view elevation. A, "blisters" to support cans and create air and water space. TIERS !& SUPPUV DOC' DOTS.. r™ ~^\~ '!!( \\i \\\ \\l — D Fig. 3 — End-view elevation. A, roof line; B, water sprinklers; C, vault aisle; D, floor line. that the spray is thrown at an angle against the outer or exposed edges of the cans into the compartments. This is illustrated in Fig. 3. Insulating Retractor Belt:* Two additional dangers exist with respect to shelf storage that merit comment; heat conduction and cross fire. NOTE : The directional spray, mentioned above, will reduce the danger of cross fire but it may not eliminate it. In connection * Patent pending.