Objective Dust Cap for Compound Microscope, by Junker, 1791

Inventory Number 38742

Subject: Microscopy
Item type: Object
Makers: Junker
Provenance: Purchased from Dr. Reginald S. Clay with his collection.
Physical material: Wood; glass; mirrored glass; leather; pasteboard; Fe alloy
Dimensions: Diameter: 23mm Height: 20mm Weight: 3g
Inventory No: 38742

Wooden dust cap which screws over the objective.