Barograph

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Ingenium, 1987.0531.001
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OBJECT TYPE
ANEROID
DATE
1940–1949
ARTIFACT NUMBER
1987.0531.001
MANUFACTURER
Meteorological Service of Canada
MODEL
A
LOCATION
Canada

More Information


General Information

Serial #
41/41
Part Number
1
Total Parts
1
AKA
N/A
Patents
N/A
General Description
CAST IRON BASE/ METAL FRAMED CASING TOP WITH HINGED LID AND 4 GLAZED SIDES/ METAL PARTS/ BRASS ANEROID.

Dimensions

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

Length
33.0 cm
Width
16.8 cm
Height
22.9 cm
Thickness
N/A
Weight
N/A
Diameter
N/A
Volume
N/A

Lexicon

Group
Meteorology
Category
Atmospheric pressure measurement
Sub-Category
N/A

Manufacturer

AKA
Environment CA
Country
Canada
State/Province
Unknown
City
Unknown

Context

Country
Canada
State/Province
Unknown
Period
M.S.C. TYPE A BAROGRAPHS WERE USED FROM THE EARLY 1940'S INTO THE 1960'S.
Canada
A BAROGRAPH DESIGNED & BUILT BY THE CANADIAN METEOROLOGICAL SERVICE FOR USE AT ITS OBSERVING STATIONS.
Function
AN INSTRUMENT THAT MEASURES AND RECORDS ATMOSPHERIC PRESSURE THROUGH ITS EFFECT ON AN ANEROID, A METAL CHAMBER PARTIALLY EVACUATED OF AIR.
Technical
THE FIRST M.S.C. BAROGRAPH (INCLUDING TYPES A & LATER A-3) WAS DESIGNED IN 1940. IT HAS A LARGE ANEROID TO OVERCOME FRICTION OF THE MOVING PARTS (WITH A SHIELD) & AN EXTERNAL SPRING; THEANEROID IS GAS (NITROGEN) FILLED FOR GAS COMPENSATION. IN THE LATE 1950'S IT WAS SUCCEEDED BY THE M.S.C. TYPE B.
Area Notes
Unknown

Details

Markings
Incised lettering on mechanism reading 'M.S.C. 41/41'
Missing
From CA of 10/28/1993 by Tony Missio: No - Complete
Finish
BLACK WRINKLE FINISHED BASE AND CASING/ BLACK WRINKLE FINISHED AND PLATED MECHANISM/ PLATED ANEROID COVER/ BRASS COLOURED ANEROID/ METALLIC CLOCK AND DRUM.
Decoration
N/A

CITE THIS OBJECT

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

Meteorological Service of Canada, Barograph, between 1940–1949, Artifact no. 1987.0531, Ingenium – Canada’s Museums of Science and Innovation, http://collection.ingeniumcanada.org/en/id/1987.0531.001/

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