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BSI
BS 5525:1977

BS 5525:1977

Withdrawn

Withdrawn

A Withdrawn Standard is one, which is removed from sale, and its unique number can no longer be used. The Standard can be withdrawn and not replaced, or it can be withdrawn and replaced by a Standard with a different number.

Specification for 35 mm microcopying of maps and plans

Available format(s)

Hardcopy , PDF

Withdrawn date

01-09-2006

Language(s)

English

Published date

30-12-1977

Publisher

British Standards Institution

Foreword
Cooperating organizations
Specification
1. Scope
2. References
3. Definitions
4. Originals suitable for microfilming
5. Microfilm
6. Density
7. Resolution
8. Quality of microfilm
9. Procedures for microfilming
10. Sequence and numbering
Appendices
A. Measurement of background density
B. Resolution test
C. Checking bow in microfilm
Tables
1. Resolution
2. Paper sizes and reduction ratios
Figures
1. Outer margin
2. Test target
3. Use of multiple frames for microfilming originals
    not more than 841 mm wide and more than 1189 mm long
4. Use of multiple frames for microfilming originals
    more than 841 mm but not more than 1189 mm wide
5. Use of multiple frames for microfilming originals
    more than 841 mm wide and more than 1189 mm long
6. Template for checking bow

Sets out requirements for preparation and microcopying in black and white of topographical maps and plans, either for the production of prints or for viewing. Dimensioned drawings, the subject of BS 4210, are excluded. Sets out procedures for maintaining and checking the reproducibility of microfilm images and the qualities of negatives on 35mm silver microfilm from published maps or originals prepared in accordance with this standard. Background density, resolution and procedures for assessment are also covered.

Committee
IDT/1
DevelopmentNote
Supersedes 76/61552 DC. (08/2005)
DocumentType
Standard
Pages
16
PublisherName
British Standards Institution
Status
Withdrawn

BS 6660-1:2005 Guide to setting up and maintaining micrographics and digital imaging units Micrographics
04/30080677 DC : DRAFT JUL 2004 BS 6660-1 - GUIDE TO SETTING UP AND MAINTAINING MICROGRAPHICS AND ELECTRONIC IMAGING UNITS - PART 1: MICROGRAPHICS
BS 6498:2002 Guide to preparation of microfilm and other microforms that may be required as evidence

BS 4210-3:1977 Specification for 35 mm microcopying of technical drawings Unitized microfilm carriers
BS 4210-2:1977 Specification for 35 mm microcopying of technical drawings Photographic requirements for silver film
BS 4657:1990 Method for determining the resolution obtained in microcopying
BS 850(1971) : LATEST SPECIAL REQUIREMENTS FOR CINEMATOGRAPH FILM DESIGNATED AS 'SAFETY FILM'

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Hardcopy - English
PDF - English
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