dust cap for telescope objective
Date: circa 1900
Inventory Number: 2007-1-0188
Classification: Telescope Accessory
Dimensions:4.4 × 4.4 × 1.3 cm (1 3/4 × 1 3/4 × 1/2 in.)
Description:
This is a brass dust cap to cover the objective of a telescope. It is pressure fit and has a slit sleeve.