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Superseded
A superseded Standard is one, which is fully replaced by another Standard, which is a new edition of the same Standard.
A superseded Standard is one, which is fully replaced by another Standard, which is a new edition of the same Standard.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
02-29-1992
English
03-30-1972
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.
Access your standards online with a subscription
Features
-
Simple online access to standards, technical information and regulations.
-
Critical updates of standards and customisable alerts and notifications.
-
Multi-user online standards collection: secure, flexible and cost effective.