Vintage French Optical Lens Set

Description

Rare cased of 22 Vintage Scientific Optical Lens Samples by Benoist Berthiot in France. Original case measures 38 x 25 x 5cms. Lenses are as follows:

Lental, rosane, diffusal, orthal, diparal, ophtane a, facette, infrane, triraadial, biradial, diffusal filtrane a, roviex b, ophtalux, filtrane b, ophtane ab, filtrane c, rovilux, ophtane b, luminal, roviex c,  and rovilux c.

Rubber Annie shown for scale.