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BS 4191:1976

Superseded

Superseded

A superseded Standard is one, which is fully replaced by another Standard, which is a new edition of the same Standard.

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Specification for microform readers

Available format(s)

Hardcopy , PDF

Superseded date

15-01-1994

Language(s)

English

Published date

30-06-1976

€147.24
Excluding VAT

Foreword
Cooperating organizations
Specification
1. Scope
2. References
3. Definitions
4. Essential characteristics
5. Additional characteristics
6. Marking and testing
Appendices
A. Desirable characteristics
B. Determination of temperature rise of film
C. Method of determining resolution
D. Method of measuring magnification
e. Test film
Figures
1. Minimum resolution values
2. Positions for measuring resolution on screen
3. Test chart

Requirements for rear-projection readers for microfiche and microfilm in roll form, film strips, aperture cards and jackets. Methods for determining resolution and measuring magnification.

Committee
IDT/1
DevelopmentNote
REPLACES BS 1371: 1956
DocumentType
Standard
Pages
14
PublisherName
British Standards Institution
Status
Superseded
SupersededBy

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