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Record Details 2

Heliostat, by J. Duboscq, Paris, c. 1870

preview image for Heliostat, by J. Duboscq, Paris, c. 1870
Inventory Number: 48217
Object Type:
Place Created: Paris France Europe
Accession Number: 1957-79
Brief Description: Instrument sits on a cylindrical base containing a clockwork mechanism. Instrument sits on top of a central pillar. Instrument consists of a circular 24 hour clock face (divided between 1-12 morning hours and 1-12 afternoon hours). A semi-circular mount sits perpendicular to clock face. Mount holds a copper alloy arm designed to hold a mirror. Attached to side of arm is a crosshatched sighter for aligning arm with direction of the sun.
Clockwork mechanism is controlled via two minute hand dials on base of device, along with a switch labelled 'A/R' and a dial labelled 'M/A'.
Primary Inscriptions: "J.. Duboscq à Paris", "No 6" Clock movement signed "PAUL GARNIER PARIS", no. 5642, "MÉDAILLE D'OR Paris 1827"
Provenance: Transferred from the Clarendon Laboratory. Previously bequeathed to the Clarendon Laboratory by Lord Cherwell
Collection Group:
Material(s): copper alloy
metal
Bone
Dimensions:
Height Width Depth Diameter Unit
294 220 116 mm

Narratives

Image with multimedia irn 30200

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