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Mercury Type Artificial Horizon, by Troughton and Simms, London, Early 19th Century

Inventory Number 35239

Acknowledgement: © History of Science Museum, University of Oxford, inv.35239

Subject: Calculation; Navigation
Item type: Object
Makers: Troughton & Simms
Provenance: Not ascertained.
Primary inscriptions: "TROUGHTON & SIMMS. Optical and Mathematical INSTRUMENT MAKERS To the Honourable Board of Ordnance, LONDON." [printed label in lid].
Physical material: Wood; Copper Alloy; Glass; Mercury
Object type: Artificial horizon
Dimensions: Height: 176mm Width: 138mm Depth: 120mm
Inventory No: 35239

Description

Mahogany tray, black-finished copper alloy prism-shaped cover, iron bottle with thick brown enamelled coating of mercury, all in a mahogany case.

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