John R. Turner
Eastman Kodak Company
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Featured researches published by John R. Turner.
Journal of the SMPTE | 1958
John R. Turner; Stanley L. Scudder; Edward H. Deane
A machine is described for the cleaning of motion-picture film by the spray application of water containing a detergent. Following the spray wash, rinse sprays and an Ott-type squeegee provide additional cleaning action prior to drying. The film is wet for such a short time that little moisture penetration occurs, and only a brief drying time is necessary. The film is not subjected to physical contact with wipers or buffers, nor are other scratch or abrasion hazards present on the machine. Surface deposits, loose dirt, and embedded dirt normally encountered on motion-picture film are effectively removed. Coatings of some alkali-soluble lacquer used on motion-picture film are effectively removed by the use of alkaline solutions in the sprays in place of the detergent solution. The results of experimental cleaning trials have shown this machine to be particularly satisfactory for color films. Black-and-white films may be subject to density losses when rewetted and dried more than 10 times.
Archive | 1948
John R. Turner; Kingslake Rudolf
Archive | 1952
John R. Turner
Archive | 1948
Rudolph W Elliott; John R. Turner
Archive | 1946
John R. Turner; Robert C. Byers
Archive | 1945
John R. Turner; John H. Mcleod; Glenn H. Bullock
Archive | 1948
John R. Turner
Archive | 1949
John R. Turner; Glenn H. Bullock
Journal of the SMPTE | 1959
John R. Turner
Smpte Motion Imaging Journal | 1956
John R. Turner; Einer W. Jensen