Transactions of the Society of Motion Picture Engineers (1929)

Record Details:

Title:
Transactions of the Society of Motion Picture Engineers
Date:
1929
Publisher:
New York : Society of Motion Picture Engineers
Volume:
Transactions of the Society of Motion Picture Engineers (1929)
Leaf #:
000395
Language:
English
Subjects:
motion pictures, Cinematography -- Periodicals
Collection:
Technical Journals
Format:
Periodicals
Contributor:
Library of Congress, MBRS, Moving Image Section
Sponsor:
Library of Congress, Motion Picture, Broadcasting and Recorded Sound Division
Coordinator:
Media History Digital Library
Description:
Preceeded by an unnumbered issue published in 1916 called: Incorporation and by-laws
Date Added:
November 17, 2022
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Fixing Baths — Crahtrcc mid Bart 579 slightly as the temperature of the fixing bath increases. The time of fixation also affects the hardening produced as indicated by Fig. EFFECT o-^ TEMPERATURE o^ FIXING BATH ON HARDENING PROPERTIES FIXED 15 MINUTES IXEO 5 MINUn POTASSIUM AUUM 3.0% SOUPHITC l.*V. ACETIC ACID [SLJ 1.0 V, 30 -*0 70 _ , 60 rCMPCI^ATURE [•^] Figure 6. Effect of temperature of a fixing bath on its hardening properties. 7. The age of a potassium alum-acetic acid fixing bath previous to use, has little or no effect on the hardening properties as is likewise EFFECT or AGE ^1 FIXING BATH ON HARDENING PROPERTIES T/ME HARDENING CURVES , ^^^,^-=^::r^ — ' . Hoo^ .rv^a -'--^-^-^^^-:;^e,s ^, ,,, ^,„„, ■ .■^■^' FORMULA CONTAINING ACETIC ACiD Figure 7. Effect of age of fixing bath on its hardening properties shown by Fig. 7. The quantity of alkali .in the film when placed in the fixing bath also affects the hardening produced as indicated.