Circumferentor

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Ingenium, 1978.0972.001
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OBJECT TYPE
Vernier
DATE
1813–1839
ARTIFACT NUMBER
1978.0972.001
MANUFACTURER
Patten, Richard
MODEL
Unknown
LOCATION
New York, United States of America

More Information


General Information

Serial #
N/A
Part Number
1
Total Parts
1
AKA
N/A
Patents
N/A
General Description
Metal, glass

Dimensions

Note: These reflect the general size for storage and are not necessarily representative of the object's true dimensions.

Length
35.5 cm
Width
15.0 cm
Height
19.0 cm
Thickness
N/A
Weight
N/A
Diameter
N/A
Volume
N/A

Lexicon

Group
Exploration and Survey
Category
Measurement-angles
Sub-Category
N/A

Manufacturer

AKA
Patten
Country
United States of America
State/Province
New York
City
Unknown

Context

Country
Unknown
State/Province
Unknown
Period
Unknown
Canada
Owned by James Moffatt (1829-1911) a Québec province land surveyor who resided in Wakefield, QC. Used. c. 1850's.
Function
Used to determine direction, and to measure horizontal angles.
Technical
Unknown
Area Notes
Unknown

Details

Markings
N/A
Missing
Both sight vanes bent, glass crystal cracked. Stopper for needle seized, some pitting, corrosion on compass face & needle copper (?) screw to secure compass to staff or tripod not original.
Finish
Unknown
Decoration
N/A

CITE THIS OBJECT

If you choose to share our information about this collection object, please cite:

Patten, Richard, Circumferentor, between 1813–1839, Artifact no. 1978.0972, Ingenium – Canada’s Museums of Science and Innovation, http://collection.ingeniumcanada.org/en/id/1978.0972.001/

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