convex lens holder
Date: 1910 - 1950
Inventory Number: 2007-1-0051a
Classification: Lens holder
Dimensions:15.5 × 15.5 × 4.3 cm (6 1/8 × 6 1/8 × 1 11/16 in.)
box: 8.9 × 35.6 × 17.5 cm (3 1/2 × 14 × 6 7/8 in.)
Description:
This holder made in painted black metal holds two lenses: one biconvex and one convex. It was probably used on an optical bench to study, for instance, indices of refraction.