Government discovers method to preserve movie film indefinitely. Washington, D.C., July 8. People living in the year 2000 will be able to see and hear today's history in the making through experiments on preserving movie film now being conducted by the National Bureau of Standards. The experts at th

Government discovers method to preserve film. (2) Expansion and contraction, like paper and other sheet materials made from cellulose, films expand as they take up moisture and contract as they lose it, and the extent of the change is different in the two directions of them. This may cause some dist

Government discovers method to preserve film. Scratch resistance, film, particulary the emulsion side, may become damaged through scratching. D. Levinsky of the Bureau is using an instrument which tests the resitance of a film by measuring the width of a scratch produced by a diamond point under a g

Government discovers method to preserve. (3) Test for fading. D. Levinsky of the Bureau of Standards is pictured exposing a developed film to light from a carbon arc to find whether the photographic image fades. The carbon-arc light simulates daylight closely and therefore is used for many mate

Historical documents guarded with great care by National Archives. Washington, D.C., Nov. 22. The treatment and careful handling of valuable historical documents is of prime consideration at the National Archives in Washington, D.C., Records, legal papers, historica data, etc., of all descriptions m

Government discovers method to preseve film. Folding endurance test, The flexibility is measured in this folding endurance tester. A strip of film is folded back and forth under tension until it breaks, and the number of folds it withstands is counted. Three types of films have been studied, termed

Inspects film for $3,000,000 map. Photographs for the map are made on a huge roll of film by the aerial cameramen. C.E. Kowaloczyk, AAA worker, is shown inspecting the film for flaws before it is sent in the laboratory to be printed, 7/28/37

National Archives. Washington, D.C., Nov. 22. Preservation of documents has long been a problem in libraries and offices of record. It was once done by a process known as 'crepelining,' which consisted in placing coarsely woven silk over and under the paper to be preserved with the use of adhesive.

Social Security board goes into the census reports. Washington, D.C., Jan. 12-37. Anticipating heavy demand for proof of age in connection with Social Security benefits, the Census Bureau began today to film ? 26,000,000 names that have been recorded in the last two censuses. These two censuses wil