BS 4191:1976
Superseded
A superseded Standard is one, which is fully replaced by another Standard, which is a new edition of the same Standard.
A superseded Standard is one, which is fully replaced by another Standard, which is a new edition of the same Standard.
Specification for microform readers
Hardcopy , PDF
01-15-1994
English
06-30-1976
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
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