bull's eye condenser
Date: circa 1880
Inventory Number: 2002-1-0070
Classification: Microscope Condenser
Dimensions:7.5 × 9 × 6 cm (2 15/16 × 3 9/16 × 2 3/8 in.)
box: 22.9 × 26 × 19.7 cm (9 × 10 1/4 × 7 3/4 in.)
Description:
Solid brass base with telescoping pillar ending in a ball, which supports the bull's eye lens on a steel pin. The lens is biconvex.