7.5-inch mounted plano-convex lens
Date: 1850 - 1900
Inventory Number: 2007-1-0034
Classification: Lens
Dimensions:2 × 33.3 × 23.5 cm (13/16 × 13 1/8 × 9 1/4 in.)
Description:
Plano-convex lens mounted in black wood and rimmed in metal. Designed to stand upright.