Sextant base
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Ingenium,
1974.0109.001
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- OBJECT TYPE
- N/A
- DATE
- Unknown
- ARTIFACT NUMBER
- 1974.0109.001
- MANUFACTURER
- PORTER, CARY LTD.
- MODEL
- Unknown
- LOCATION
- London, England
More Information
General Information
- Serial #
- N/A
- Part Number
- 1
- Total Parts
- 1
- AKA
- N/A
- Patents
- N/A
- General Description
- BRASS/ WOOD
Dimensions
Note: These reflect the general size for storage and are not necessarily representative of the object's true dimensions.
- Length
- N/A
- Width
- 19.0 cm
- Height
- 44.5 cm
- Thickness
- N/A
- Weight
- N/A
- Diameter
- N/A
- Volume
- N/A
Lexicon
- Group
- Exploration and Survey
- Category
- Survey equipment
- Sub-Category
- N/A
Manufacturer
- AKA
- PORTER
- Country
- England
- State/Province
- Unknown
- City
- London
Context
- Country
- Unknown
- State/Province
- Unknown
- Period
- Unknown
- Canada
-
Received from Energy, Mines and Resources, the federal government department responsible for surveys -- topographical, geodetic, etc. - Function
-
Base for a sextant generall used on land for surveying - Technical
-
This type of base appeared in the late 18th century with the firms of Ramsden and Troughton. Both these firms made these for their double framed sextants which were the most expensive of those in the 10-12 oinch radius category. - Area Notes
-
Unknown
Details
- Markings
- 'HYDROGRAPHIC SURVEY 5' ENGRAVED ON BASE
- Missing
- From CA of 08/14/1995 by Tony Missio: Undetermined
- Finish
- MADE OF BRASS/ BASE HAS 3 HINGED LEGS WITH LEVELING SCREWS AT THEIR ENDS/ TOP HAS A HORIZONTAL BAR WITH SWIVEL ATTACHMENT TO ROTATING TABLE ON TOP FOR MOUNTING A SEXTANT/ HAS FITTED AND PADDED WOODEN BOX/ SPIRIT LEVEL IS FIXED TOWARD THE TOP/ GOOD CONDITION, SOME SCRATCHES & PIT MARKS
- Decoration
- N/A
CITE THIS OBJECT
If you choose to share our information about this collection object, please cite:
PORTER, CARY LTD., Sextant base, Unknown Date, Artifact no. 1974.0109, Ingenium – Canada’s Museums of Science and Innovation, http://collection.ingeniumcanada.org/en/id/1974.0109.001/
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