BS 3199:1972
Superseded
A superseded Standard is one, which is fully replaced by another Standard, which is a new edition of the same Standard.
A superseded Standard is one, which is fully replaced by another Standard, which is a new edition of the same Standard.
Method for measurement of spectacles including a glossary of terms
Hardcopy , PDF
29-02-1992
English
30-03-1972
Defines a system of spectacle measurement. The principal dimensions are based on the datum line but provision has been made for certain additional dimensions derived from other concepts.
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