Anemometer U arm

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OBJECT TYPE
electrical
DATE
Unknown
ARTIFACT NUMBER
2013.0064.002
MANUFACTURER
AES/MSC
MODEL
Unknown
LOCATION
Unknown

More Information


General Information

Serial #
N/A
Part Number
2
Total Parts
3
AKA
N/A
Patents
N/A
General Description
An aluminum U arm with metal hardware and a synthetic eletrical cord with a metal electrical fitting.

Dimensions

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

Length
87.0 cm
Width
81.0 cm
Height
74.0 cm
Thickness
N/A
Weight
N/A
Diameter
N/A
Volume
N/A

Lexicon

Group
Meteorology
Category
Surface wind speed & direction measurement
Sub-Category
N/A

Manufacturer

AKA
Environment CA
Country
Unknown
State/Province
Unknown
City
Unknown

Context

Country
Canada
State/Province
British Columbia
Period
1970 - 1990
Canada
From a collection of instruments used at Meteorological Services of Canada observing station at Parks Canada Warden Office in Rogers Pass National Historic Site, Glacier National Park, B.C. Used by Parks Canada avalanche forecasters to measure and record wind speed and direction, to track weather patterns, create avalanche forecasts/bulletins, and etc along the Trans-Canada Highway and Canadian Pacific Railway transportation corridor.
Function
An instrument that measures wind speed & direction by means of a cup wheel & wind vane respectively, with the readings recorded electrically by a separate anemograph. The cup wheel and wind vane assemblies were fitted to a anemometer U arm approx. 1.3m long.
Technical
A three cup anemometer was designed by Canadian meteorologist John Patterson of the Canadian Meteorological Service in the 1920’s. Successive versions of this Canadian anemometer was used by the MSC for decades at various observing stations in Canada. This likely 1980’s version of the Patterson anemometer has modified wind speed and direction electrical contacts in the base units to electrically send data.
Area Notes
Unknown

Details

Markings
Mfr's stamp[inside electrical fitting]:"1-16/CANNON/B". Mfr's stamp[outside of the electrical fitting]:"CANNON/
Missing
Nothing is missing.
Finish
An grey aluminum U arm; synthetic grey cord with a metal electrical fitting, with black synthetic electrical tape wrapped around the end of the electical cord and on the body of the U arm; metal hardware.
Decoration
None.

CITE THIS OBJECT

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

AES/MSC, Anemometer U arm, Unknown Date, Artifact no. 2013.0064, Ingenium – Canada’s Museums of Science and Innovation, http://collection.ingeniumcanada.org/en/id/2013.0064.002/

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