31. International projectionist (Jan-Dec 1950) Date: Jan-Dec 1950 Item Details: Details and Download Information Full Page: Read this page in Context Highlighting: Read in Context with Search Highlighted Date Added: September 12, 2024 Excerpt: NBFU Classifies Safety Film Official Communication from the National Board of Fire
32. International projectionist (Jan-Dec 1938) Date: Jan-Dec 1938 Item Details: Details and Download Information Full Page: Read this page in Context Highlighting: Read in Context with Search Highlighted Date Added: September 12, 2024 Excerpt: by automatically cutting off the light from the film by releasing the fire shutter when
33. International projectionist (Jan-Dec 1950) Date: Jan-Dec 1950 Item Details: Details and Download Information Full Page: Read this page in Context Highlighting: Read in Context with Search Highlighted Date Added: September 12, 2024 Excerpt: through the projector aperture. Excessive flux heats the film beyond its safe operating
34. International projectionist (Jan-Dec 1950) Date: Jan-Dec 1950 Item Details: Details and Download Information Full Page: Read this page in Context Highlighting: Read in Context with Search Highlighted Date Added: September 12, 2024 Excerpt: , the pyroxylin-type mixture of lower nitrocotton in nitrate film base does not explode in
35. International projectionist (Jan-Dec 1950) Date: Jan-Dec 1950 Item Details: Details and Download Information Full Page: Read this page in Context Highlighting: Read in Context with Search Highlighted Date Added: September 12, 2024 Excerpt: is not involved in film fires, since the air immediately oxidizes it to nitrogen dioxide
36. International projectionist (Jan-Dec 1950) Date: Jan-Dec 1950 Item Details: Details and Download Information Full Page: Read this page in Context Highlighting: Read in Context with Search Highlighted Date Added: September 12, 2024 Excerpt: transfer from film to air is considerably increased. 4. Restrict Film Motion
37. International projectionist (Jan-Dec 1951) Date: Jan-Dec 1951 Item Details: Details and Download Information Full Page: Read this page in Context Highlighting: Read in Context with Search Highlighted Date Added: September 12, 2024 Excerpt: NITRATE FILM SAFETY FIG. 3. The new Eastman visible frame-line ma wise frame-line
38. International projectionist (Jan-Dec 1948) Date: Jan-Dec 1948 Item Details: Details and Download Information Full Page: Read this page in Context Highlighting: Read in Context with Search Highlighted Date Added: September 12, 2024 Excerpt: or over the entire film surface. New prints treated in this manner require no further
39. International projectionist (Jan-Dec 1946) Date: Jan-Dec 1946 Item Details: Details and Download Information Full Page: Read this page in Context Highlighting: Read in Context with Search Highlighted Date Added: September 12, 2024 Excerpt: Incandescent Lamps for Film Projection WHEN in addition to the normal 35-mm film, the
40. International projectionist (Oct 1931-Sept 1933) Date: Oct 1931-Sept 1933 Item Details: Details and Download Information Full Page: Read this page in Context Highlighting: Read in Context with Search Highlighted Date Added: September 12, 2024 Excerpt: MOTION PICTURE FILM J. /. Crahtree and C, E. Ives*^ WHEN freshly developed or socalled
