BS 5525:1977
Withdrawn
A Withdrawn Standard is one, which is removed from sale, and its unique number can no longer be used. The Standard can be withdrawn and not replaced, or it can be withdrawn and replaced by a Standard with a different number.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
Hardcopy , PDF
01-09-2006
English
30-12-1977
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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Withdrawn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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