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Wilson Type Screwbarrel and Compass Microscope with Accessories and Case, Attributed to Marten, English, c. 1750-75

preview image for Wilson Type Screwbarrel and Compass Microscope with Accessories and Case, Attributed to Marten, English, c. 1750-75
Inventory Number: 53250
Object Type: Object
Persons: Martin
Date Created: Third Quarter 18th Century
Place Created: England United Kingdom Europe
Subject Classification(s): Microscopy  
Accession Number: 1944-1/680
Brief Description: Wilson-type screwbarrel and compass microscope attributed to Marten. The microscope consists of a copper alloy cylinder with a threaded hole at one end to take the eyepiece. A second copper alloy cylinder that has a condensing lens and an external thread screws into the first. Three copper alloy disks make up the stage and are held against the internal cylinder by a Steel spring. Two of the disks are thin and flat, the third has a semi-circular indentation for holding glass phials. There is a boss at the side of the outer cylinder to take an Ivory handle. The Ivory handle is fish-shaped and has a threaded copper alloy tip that attaches to the microscope. The accessories are a threaded ring on an arm with a hinge, two objectives with caps, an objective in a Lieberkühn, a talc box, a wet cell, a glass tube and three Ivory sliders. The case is softwood covered in black fish skin and lined with green velvet.
Primary Inscriptions: None
Provenance: Purchased from Dr. Reginald S. Clay
Collection Group: Clay Collection
Material(s): Copper Alloy
Glass
Ivory
Bone
Mica
Wood
Fish Skin
Velvet
Dimensions:
Height Width Depth Diameter Unit
37 100 82 mm

There are no associated narratives.

Image with multimedia irn 45160

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