- Subject
- Microscopy
- Item type
- Object
- Makers
- ? Ross
- Provenance
- Deposited by the Royal Microscopical Society with their collection. Presented by Thomas Ross, 13 November 1867
- Primary inscriptions
- .1: "Ross, London, 4 In." .2: "4 In. Ross, London"
- Object type
- Microscope accessory
- Inventory No
- 75086
- Accession Number
- 1970-101/part
Description
A long-focus lens measuring 4 inches, manufactured by Ross. The lens is set in a copper alloy ring and accessed by removing a threaded blackened eyecup. The lens is stored in a copper alloy can with a threaded lid. The lid is engraved with the lens' size and manufacturer. The lens was published in QJMS (1868) 58.
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