Octant
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1983.0362.001
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- OBJECT TYPE
- N/A
- DATE
- 1799–1819
- ARTIFACT NUMBER
- 1983.0362.001
- MANUFACTURER
- Cook, Wm.
- MODEL
- Unknown
- LOCATION
- London, England
More Information
General Information
- Serial #
- N/A
- Part Number
- 1
- Total Parts
- 2
- AKA
- N/A
- Patents
- N/A
- General Description
- Wood/ brass/ ivory/ wood box
Dimensions
Note: These reflect the general size for storage and are not necessarily representative of the object's true dimensions.
- Length
- 30.0 cm
- Width
- 25.0 cm
- Height
- 6.9 cm
- Thickness
- N/A
- Weight
- N/A
- Diameter
- N/A
- Volume
- N/A
Lexicon
- Group
- Exploration and Survey
- Category
- Measurement-distance
- Sub-Category
- N/A
Manufacturer
- AKA
- Cook
- Country
- England
- State/Province
- Unknown
- City
- London
Context
- Country
- Canada
- State/Province
- Nova Scotia
- Period
- Mid 19TH c. FF?
- Canada
-
Octant originally belonged to Samuel O'Donnell (1801-1883) of Amherst, Nova Scotia. He was the deputy crown land surveyor of Cumberland County. The octant was passed down to his granddaughter, who gave it to Beaver Hall Antiques in 1945. - Function
-
Used in navigation to measure the altitude of the sun, moon, stars etc, especially at sea, in order to determine latitude & longitude. - Technical
-
Octant manufactured by Wm Cook. Octants were a huge advantage over previously used instruments to determine a position at sea. They were simple instruments based on the application of optics. The scale reads from -10 degrees to 110 degrees, and the vernier reads from 0 to 20 units. - Area Notes
-
Unknown
Details
- Markings
- Ivory insert with incised black writing reading 'COOK*LONDON'/ Ivory inserts with incised black scales & numbers/ paper mfr's label on box lid interior reading 'Wm COOK/ MATHEMATICAL/ INSTRUMENT MAKER/ 178 High Street, Shadwell,/ LONDON/ Makes and Repairs,/ Sextants, Quadrants & Telescopes/ Improved Azimuth, Amplitude, Storm, Steering & Hanging Compasses/ McCulloch's Patent Azimuth & Steering Compasses'/ Typed memo & newspaper clipping affixed to lid interior (see supp.inf.)/ painted design on lid exterior consisting of white flag pole with red & white flag & red pennant.
- Missing
- N/A
- Finish
- Dark brown lacquered? wood/ box painted dark brown
- Decoration
- N/A
CITE THIS OBJECT
If you choose to share our information about this collection object, please cite:
Cook, Wm., Octant, between 1799–1819, Artifact no. 1983.0362, Ingenium – Canada’s Museums of Science and Innovation, http://collection.ingeniumcanada.org/en/item/1983.0362.001/
FEEDBACK
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