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Record Details

Compound Microscope, by John Marshall, London, c. 1715

Inventory Number: 40635
Object Type:
Persons: John Marshall
Date Created: c. 1715
Place Created: London United Kingdom (England) Europe
Subject Classification(s): Clay Collection   
Accession Number: 1944-1/19
Brief Description: Marshall's "Great Double Microscope". The outer body is covered with grey shagreen and the draw tube is in green vellum with gold stampings. At the top the fitting and dust cover for the eyepiece are turned wood. The instrument is supported on a square cross sectioned pillar that fits into a large brass boss on the box base. Focusing is by a screw operated mechanism on the pillar. The base is octagonal with a drawer and a screw tightened accessory mount. Accessories include: six objectives, an opaque stage with a bull's-eye lens, a Bonanni spring stage, brass forceps and a plane mirror in a horseshoe mount.
Primary Inscriptions: "John Marshall. Fecit. / London" written in ink inside the drawer.
Provenance: Purchased from Dr. Reginald S. Clay with his collection.
Collection Group: Clay Collection
Material(s): Brass


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