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UDC 778.5
Ref. No. : ISO/R 29 - 1856 (E)
IS0
l NTERN AT1 ON A L O RG A N IZATl O N FOR STAN DA RD IZATION
IS0 RECOMMENDATION
R 29
EMULSION POSITION
IN PROJECTOR FOR DIRECT FRONT PROJECTION
OF 8 mm SILENT MOTION PICTURE FILM
Is' EDITION
COPYRIGHT RESERVED
The copyright of IS0 Recommendations and IS0 Standards
belongs to IS0 Member Bodies. Reproduction of these
documents, in any country, may be authorized therefore only
by the national standards organization of that country, being
a member of ISO.
For each individual country the only valid standard is the national standard of that country.
I Printed in Switzerland
Copies to be obtained through the national standards organizations.
Also issued in French and Russian.
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IS0 Recommendation R 29
November 1956
EMULSION POSITION
IN PROJECTOR FOR DIRECT FRONT PROJECTION
OF 8 mrn SILENT MOTION PICTURE FILM
O
O
E
Y
Travel
O
Light beam 4
1
O
31111
O
O
The emulsion position in the projector is toward the lens, except for special
processes.
BRIEF HISTORY
The IS0 Recommendation R 29, Emulsion posi- When it was submitted to all the IS0 Member Bo-
dies in January 1955, the Draft Recommendation was
tion in projector for direct front projection of 8 mm
silent motion picture film, was drawn up by the Tech- approved (subject to some improvements in its
nical Committee IS0 /TC 36, Cinematography, the presentation) by the following Member Bodies (num-
21 out of a total of 35):
Secretariat of which is held by the American Stand- bering
ards Association, Inc. (ASA).
Australia Netherlands
Belgium New Zealand
In April 1948, the Secretariat proposed the study
Czechoslovakia Pakistan
of the question, and that the American standard
Denmark Portugal
222.22-1947 be taken as a basis for discussion.
France Romania
The Technical Committee considered the proposal Germany Switzerland
at its first meeting, which was held in New York in India Union of South Africa
June 1952. It entrusted the Secretariat with the Ireland United Kingdom
drawing up of a draft proposal based on the American Italy U.S.A.
standard, taking into account certain improvements Japan U.S.S.R.
decided on at the meeting. Mexico
The draft proposal was submitted in December The Draft IS0 Recommendation was then submitted
1953 to the members of the Technical Committee by correspondence to the IS0 Council, which decided,
in November 1956, to accept it as an IS0 RECOM-
and adopted as an IS0 Draft Recommendation, no
objection having been raised. MENDATION.
Date of the first edition: December 1956.
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L
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CDU 7783
RBf. No: ISO/R 28 - 1956
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