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Journal of the Society of
Motion Picture and Television Engineers
VOLUME 55 JULY 1950 NUMBER 1
Simplification of Motion Picture Processing Methods
C. E. IVES and C. J. KUNZ 3
A 16-Mm Rapid Film Processor
J. S. HALL, A. MAYER and G. MASLACH 27 A Method of Measuring Electrification of Motion Picture Film Applied to
Cleaning Operations H. W. CLEVELAND 37
VariableArea Sound Track Requirements for Reduction Printing Onto Koda
chrome ROBERT V. McKiE 45
The Pressurized Ballistics Range at the Naval Ordnance Laboratory
L. P. GIESELER 53 An Experimental Electronic Background Television Projection System. . . .
WAYNE R. JOHNSON 60 Effects of Incorrect Color Temperature on Motion Picture Production ....
FRANK F. CRANDELL, KARL FREUND and LARS MOEN 67
The Stroboscope as a Light Source for Motion Pictures
ROBERT S. CARLSON and HAROLD E. EDGERTON 88
Study of Sealed Beam Lamps for Motion Picture Set Lighting
WAYNE BLACKBURN 10.1
Color Committee Report HERMAN H. DUERR 113
NEW AMERICAN STANDARDS 117
Scanning-Beam Uniformity Test Film for 16-Mm Sound Reproducers (Laboratory Type), Z22.80-1950; Scanning-Beam Test Film for 16Mm Sound Reproducers (Service Type), Z22.81-1950; Sound Transmission of Theater Projection Screens, Z22.82.
68th Semiannual Convention 121
High-Speed Photography Question Box 122
Engineering Committees Activities 123
Society Announcements 123
New Members 124
LETTER TO THE EDITOR By Joseph H. Spray 125
BOOK REVIEW: Handbook of Basic Motion-Picture Techniques by Emil E.
Brodbeck Reviewed by James W. Moore 126
New Products 127
Employment Service 128
ARTHUR C. DOWNES VICTOR H. ALLEN NORWOOD L. SIMMONS
Chairman Editor Chairman
Board of Editors Papers Committee
Subscription to nonmembers, $12.50 per annum; to members, $6.25 per annum, included in their annual membership dues; single copies, $1.50. Order from the Society's General Office. A discount of ten per cent is allowed to accredited agencies on orders for subscriptions and single copies. Published monthly at Easton, Pa., by the Society of Motion Picture and Television Engineers, Inc. Publication Office, 20th & Northampton Sts., Easton, Pa. General and Editorial Office, 342 Madison Ave., New York 17, N.Y. Entered as second-class matter January 15, 1930, at the Post Office at Easton, Pa., under the Act of March 3, 1879. Copyright, 1950, by the Society of Motion Picture and Television Engineers, Inc. Permission to republish material from the JOURNAL must be obtained in writing from the General Office of the Society. Copyright under International Copyright Convention and Pan-American Convention. The Society is not responsible for statements of authors or contributors.