bulls eye lens

Title

bulls eye lens

Identifier

ABDNP:200688a

Description

Convex lens in brass holder with ball joint attachment to brass stand which itself is attached by ball joint to the base, illuminates microscope objects with use of a side light

Date

1800

Format

height 305mm, diam. (base) 100mm, diam. (lens) 70mm
metal, glass

Creator

Unknown