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H4348 Octant, [ebony], ivory/brass/mahogany, Spencer Browning & Rust, London, [1790-1810]
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Object statement
Octant, [ebony], ivory/brass/mahogany, Spencer Browning & Rust, London, [1790-1810]
History Notes include facts about what has happened to an object since manufacture. This could include who owned it and how it was used (provenance). It may also describe any cultural meanings with which it may have become associated. History notes
Made for D. McGregor of Greenock

 This text content licensed under CC BY-NC.

Description
Octant, [ebony], ivory/brass/mahogany, Spencer Browning & Rust, London, [1790-1810]
Octant, [ebony], ivory and brass, in mahogany box, Spencer Browning & Rust, London, made for D McGregor Greenock, [1790-1810] (OF). Sextant brought to Australia in 1839 by H J Sloan (SB).
Ivory scale, radius 240mm, divided in graduations of 1-100 (degrees). The horizon is sighted by means of a sighting telescope mounted on one of the radii of the secor, An index arm is pivoted at the centre of the graduated arc and a miror mounted at that pint. A second mirror is mounted apposite the sighting telescope on the opposing radii. There are three shades each for the index and horizon glasses. Inside a mahognay box.

Designed: Spencer, Browning & Rust; London, England

Made: Spencer, Browning & Rust; London, England; 1790 - 1810
Marks
Octant marked "Spencer Browningt & Rust. London. / Made for. D.Mc.Gregor. Greenock"
The Registration Number of an object is a unique identifying number applied by the museum at the point of acquisition. Current numbering format comprises the year of acquisition, followed by a sequential number. For example, '2007/45' is the Registration Number that represents the 45th acquisition in the year 2007. Registration number
H4348
Height
106 mm
Width
330 mm
Depth
350 mm

 This text content licensed under CC BY-SA.
Acquisition credit line
Gift of Sloan, J, Esq, 1941

This object record is currently incomplete. The information available may date back as far as 125 years. Other information may exist in a non-digital form. The Museum continues to update and add new research to collection records.
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Concise link back to this object: http://from.ph/238983
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{{cite web |url=http://from.ph/238983 |title=H4348 Octant, [ebony], ivory/brass/mahogany, Spencer Browning & Rust, London, [1790-1810] |author=Powerhouse Museum |accessdate=26 May 2013 |publisher=Powerhouse Museum, Australia}}


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