3mm High Power Microscope Objectives, Late 18th Century

Subject: Microscopy
Item type: Object
Provenance: Purchased from Dr. Reginald S. Clay with his collection. Item 30 in typescript list.
Primary inscriptions: Unsigned and undated
Physical material: Brass and glass
Dimensions: Diameter: 28mm Weight: 9g
Inventory No: 62771
Accession Number: 1944-1/part

Description

High power microscope objective, marked "1" and with a 3mm lens.