British Kinematography (1953)
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48
Vol. 23, No. 2
R.P.S. CENTENARY CONFERENCE
TO mark the Centenary of its foundation the Royal Photographic Society is holding an " International Conference on the Science and Applications of Photography " from Saturday, September 19, to Friday, September 25, 1953.
The aspects of photography covered by the Conference have been divided into five sections, one of them, Section B, being devoted to cinematography and
colour photography and Session 16 of Section C to high-speed photography and cinematography. Short abstracts of papers likely to interest our members are printed below, but full details are obtainable from Dr. R. S. Schultz, A.R.P.S., Hon. Secretary, R.P.S. Centenary Conference, 16 Princes Gate, London, S.W.7.
Section B. Cinematography and Colour Photography.
Session 1 1 . J. Friedman (Ansco Corp.) Colour correction by
masking.
The basic theory of masking : scope and limitations of various masking techniques.
K. I. Jacobson {Photo Chemical Co. Ltd.) Improved methods of grading and masking colour negatives. Modern integral tripack negative-positive systems — grading by photo-electric and photographic methods : contrast and hue correction masks : integral masks, separate masks : a new colour masking material.
H. Berger (Agfa A.C.) The sensitometry of colour materials.
A. Marriage (Kodak Ltd.) Colour sensitometry by
production of neutral image.
The use of cross-wedged exposures to find the combinations of red, green and blue exposures to give a natural scale : direct and accurate assessment of the speeds of the separate layers.
Session 12.
Dr. Luyten (Gevaert Photoproducten N. V.) How can the interchangeability of commercial colour materials be achieved ?
Some suggestions for achieving interchangeability of commercial negative and positive colour materials : sensitometric characteristics : calibration of additive and subtractive printing systems : processing conditions.
A. Thiels (Gevaert Photoproducten N. V.) A review of some characteristic features inherent in multilayer processes.
The influence upon subtractive colour processes of the diffusion of developing agents and their reaction products : the variation of saturation of colour developed dyes as a function of their densities.
W. Grossman (Photo. Institut E.T.H. Zurich). The relations between sharpness and resolving power in colour photographs.
P. W. Vittum and A. Weissberger (Eastman Kodak Co.) The chemistry of dye-forming development.
C. H. Giles (Royal Tech. Coll., Glasgow). the light fading of dye in gelatine.
Studies on
Session 13.
J. H. R. Coote (IlfordLtd.) Demonstration of current colour photograph processes.
W. Hege (Gelsenkirchen-Buer). Colour photography (Agfacolor) in the service of art.
R. Pinoir, P. Baby, J. Faivre, J. P. Chouet and R. Aguiton (Kodak-Pathe, France). Photometric investigation of Photoflood lamps. Influence on exposures for Kodachrome film.
Session 14.
R. L. Hoult (/. A . Rank Productions Ltd.) A travelling matte process for monochrome photography.
T. W. Howard (M.G.M. British Studios Ltd.) Colour control in composite photography.
F. P. Gloyns (Denham Labs.) A method of chemical analysis for colour control in processing.
Section C. Technique and Application of Photography.
Session 16.
R. P. Fraser and N. Dombrowski (Imperial Coll.) High-speed photography in the study of moving fluids.
W. D. Chesterman (R. N. Scientific Service). World progress in high-speed photography 1935-1953.
D. W. Holder and R. J. North (Nat. Phys. Lab.) Schlieren and direct shadow methods for studying high-speed air flow.
J. H. Waddell and D. C. Gilkeson ( WollenSak Optical Co.) Film on high-speed photography in industrial and military applications.
P. Devaux, P. Fayolle and P. Naslin (Lab. Central TArmement, France). An electronic high-speed cinematograph camera and associated chronograph.
P. Naslin (Lab. Central TArmement, France). A logical classification of high-speed cinematographic methods,