Aluminium Spherometer, Packaging Type : Silver

For accurate measurement of the radius of curvature of spherical lenses. Three - pronged aluminium table with three pointed legs carries a vertical main scale from 10-0-10mm on one of the prongs, and a micrometer scale on an Aluminium disc with 100 divisions. The table has a screw at its center with a pitch of 1mm. Giving a least count of .01mm.