Monocular Opera Glass: Museum Object and Cultural History
Monocular Opera Glass: maker: Rubergall, Thomas. Object Name: monocular opera glass. Measurements: overall: 2 3/4 in x 1 3/4 in; 6.985 cm x 4.445 cm.
The object in the museum catalogue
This is a brass instrument with four draw tubes, and ivory around the eyepiece, objective lens and outer tube. The objective lens is achromatic and 1.25 inches diameter. The length overall is 2 inches closed, and 4.5 inches extended. The “RUBERGALL / London” inscription on the innermost tube is that of Thomas Rubergall (fl. 1802–1854), a mathematical, optical and philosophical instrument maker in London.
Materials, dates and provenance
- maker: Rubergall, Thomas
- Object Name: monocular opera glass
- Measurements: overall: 2 3/4 in x 1 3/4 in; 6.985 cm x 4.445 cm
- place made: United Kingdom: England, London
- ID Number: PH.323564
- catalog number: 323564
- accession number: 251552
- Data Source: National Museum of American History
Sources and reuse
Catalogue descriptions and facts adapted from National Museum of American History through the Smithsonian's official Open Access dataset. This record explicitly marks its metadata CC0 1.0; formatting and selection have been changed.
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