* Measures the radius of curvature of spherical lenses.
* Three pronged brass table with three pointed legs carries a vertical main scale from 10-0-10 mm on one of the prongs
* A micrometer scale on a brass disc
* The table has a screw at its center
* Feed Range : 5 - 40 microns in steps of 5 microns each
* Freezing Stage : 35 mm. Dia.
* Total excursion of feed : 25 mm.
* High pressure flexible tubing : 150 cm. (approx. )