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Heliostat, by Spencer & Son, Dublin, c. 1900

preview image for Heliostat, by Spencer & Son, Dublin, c. 1900
Inventory Number: 49612
Object Type:
Place Created: Dublin Republic of Ireland Europe
Accession Number: 1936 - ?
Brief Description: A heliostat that consists of a copper alloy sundial and a clock in a wooden frame that are mounted on each end of a rectangular wooden base. The two clock movements are of Parisian manufacture. The sundial has several copper and iron alloy fittings that hold a rectangular mirror. The fittings allow the mirror to be moved into different positions. A string is tied around the sundial and the clock. In front of the clock is a circular copper alloy fitting with a glass centre. There is a small paper label adhered to the wooden base that reads "Presented by Mrs. N. Story-Maskelyne, 1911."
Primary Inscriptions: "Spencer & Son. Dublin" on sundial
Provenance: Presented by Radcliffe Trustees Used by Professor H. N. Story-Maskelyne
Collection Group:
Material(s): Wood
Copper Alloy
Iron Alloy
Height Width Depth Diameter Unit
197 406 244 mm


Image with multimedia irn 30412

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