The use of color for the embellishment of the motion picture program

NOTES

THE

USE

FROM THE RESEARCH LABORATORY, EASTMAN KODAK COMPANY.* OF

COLOR MOTION By

FOR THE PICTURE

L. M. Townsend

EMBELLISHMENT PROGRAM. and

OF

THE

L. A. Jones.

A DESCRIPTION is given of various types of spot and flood-light units used in the Eastman Theatre for the production of the color In the effects used as accessories to the motion picture program. introductory part of the paper some space is devoted to a review of various attempts which have been made to employ color in the abstract form as a means of entertainment and emotional appeal, and a r&urn& of color terminology and knowledge is given. Laws of color mixture, both additive and subtractive, are stated briefly. A duplex projecting system using pattern plates complementary both in form and tone, in conjunction with compound color filters for the production of dynamic color effects, is The compound color filters are made up by using described. each of the three-color subtractive primaries in the form of wedge filters. An improved form of stereopticon spot and flood-light units is described and their use in the production of various types of static and dynamic color effects discussed in detail. PHOTOGRAPHIC By

GELATIN.’

S. E. Shep;ard.

PHOTOGRAPHIC

gelatins contain a sensitizing substance or substances which increase the speed of silver bromide emulsions, and R. F. Punnett has obtained sensitizing extracts from active gelatin. This photographic sensitizer has now been extracted from by-product liquors in gelatin manufacture, seeds and other vegetable materials, and identified as a mustard oil, i.e., an organic, _______ * Communicated by the Director. ‘Communication Kodak Company

No. 237 from the Research Laboratories and published in Tray. .Coc. ,Vot. Pit.

38 (1925). 2Communication No. 240 from the Research Laboratories Kodak Company, and published in Plzof. I., 65, 3Po (1915).

of the Eastman Eag,, X:0. 21. of the

Eastman 53.5