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Search indexed PubMed citations on genomics, clinical trials, systematic reviews and public health. Explore titles, authors and supplied subject terms, then open the PubMed record.

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At least 523 records · Page 29Linked to original sources
PubMed1977

[Method of microphotoexposure].

It is suggested that a photoexposure meter "Photon-1" (TU-4-72) be used for the determination of exposure in microphotography. The photoelement of the apparatus is overlaid on the eyepiece of the photo device. The regulator of the apparatus is set in a position corresponding to the film sensitivity. The exposure meter shows exposure time in seconds.

Microfilming↗
PubMed1966

Operation squeeze.

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Medical Records↗
PubMed1978

Microforms: uses and potential.

A general overview of microform usage in libraries is provided, emphasizing the impact of conversion of print materials to microforms on library patrons and library staff members. Diagnostic techniques are analyzed to determine the adaptability of both collections and clientele. Problems concerning the standardization of hardware, selection of the proper microform formats, and the use of silver halide, diazo, or vesicular films are discussed.

Equipment and Supplies↗
PubMed1978

A union catalog of monographs: another approach.

The rationale for and the production of the 1977 TALON Union Catalog of Monographs are described. The 158,859 records include the existing machine-readable records for six health sciences libraries plus the cataloging of six others, converted by matching other data bases and by keypunching. The method and costs of production are discussed. Use of Computer-Output-Microfiche (COM) significantly decreased the cost and time required for publication. The $.076 unit cost per entry, with both author and title access for the COM method, is almost one-half the unit cost for the previous method which offered only main-entry access. The TALON Catalog compares favorably with the Midwest Medical Union Catalog. The addition of the title index significantly increases its usefulness. However, the unique feature of the TALON Catalog may be its machine-readable form which offers the potential for quantitative analyses of health sciences library collections. Such data may be essential for rational management of limited library funds.

Books↗