Appendix 1
Procedure for determining the radius of curvature ‘r’ of the reflecting surface of a mirror
1.

Measurement
1.1.

Equipment
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1.2.

Measuring points
1.2.1. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
1.2.2. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
2.

Calculation of the radius of curvature ‘r’
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Figure 3: spherometer
Repealed by Regulation (EC) No 661/2009 of the European Parliament and of the Council of 13 July 2009 concerning type-approval requirements for the general safety of motor vehicles, their trailers and systems, components and separate technical units intended therefor (Text with EEA relevance).