centre of curvature Thesaurus n (Mathematics) the point on the normal at a given point on a curve on the concave side of the curve whose distance from the point on the curve is equal to the radius of curvature Collins English Dictionary – Complete and Unabridged, 12th Edition 2014 © Ha...
A mirror (6) is supported on a mounting (7) which is held on these three blocks. The blocks have spherical concave surfaces, the curvature of each being centred on a point (C) which is also the centre of the mirror. A projecting part (9) of the mirror mounting is received in a ...