A survey of blemishes on processed microfilm | Zendy

C S McCamy | Zendy; S.R. Wiley | Zendy; J.A. Speckman | Zendy

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A survey of blemishes on processed microfilm

Author(s) -

C S McCamy,

S.R. Wiley,

J.A. Speckman

Publication year - 1969

Publication title -

journal of research of the national bureau of standards section a physics and chemistry

Language(s) - English

Resource type - Journals

eISSN - 2376-5704

pISSN - 0022-4332

DOI - 10.6028/jres.073a.010

Subject(s) - microform , government (linguistics) , national archives , database , library science , computer science , philosophy , linguistics

As part of an investigation of the formation of six types of redox blemishes on microfilm, 7411 rolls of microfilmed records in 36 Federal Government agencies were microscopically inspected by 34 inspectors trained by the National Archives and the National Bureau of Standards. About 350,000 observations were statistically analyzed. Careful photographic processing, adequate washing, careful handling, cool and dry storage in inert containers, and adequate ventilation, are among the conditions that have been found beneficial in preventing blemish formation. Data are compiled in an appendix.

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