Barograph part

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Ingenium, 1987.0527.005
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OBJECT TYPE
N/A
DATE
1939
ARTIFACT NUMBER
1987.0527.005
MANUFACTURER
DOT Air Services Branch
MODEL
Unknown
LOCATION
Unknown

More Information


General Information

Serial #
N/A
Part Number
5
Total Parts
8
AKA
N/A
Patents
N/A
General Description
WOOD PANEL/ METAL ELECTRICAL COMPONENT CASING/ SYNTHETIC WIRE COVERINGS

Dimensions

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

Length
74.8 cm
Width
31.2 cm
Height
8.5 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
MSC
Country
Unknown
State/Province
Unknown
City
Unknown

Context

Country
Canada
State/Province
Ontario
Period
c. 1939 +
Canada
AN UNIQUE BAROGRAPH DESIGNED & BUILT BY THE CANADIAN METEOROLOGICAL SERVICE, USED AS A STANDARD BAROMETER AT THE TORONTO OBSERVATORY.
Function
AN INSTRUMENT THAT MEASURES ATMOSPHERIC PRESSURE BY MEANS OF ITS EFFECT ON THE WEIGHT OF A COLUMN OF MERCURY IN A TUBE, & RECORDS THE OBSERVATIONS ON PAPER.
Technical
PARTS OF THE MERCURY TUBE ROLLING WEIGHT BAROGRAPH DESIGNED BY PATTERSON & MIDDLETON OF M.S.C., WHICH REPLACED THE KEW BAROGRAPH IN USE SINCE 1887. A COLUMN OF MERCURY IS WEIGHED ON A BALANCE SCALE RATHER THAN ITS HEIGHT MEASURED, THE PRESSURE OF THE AIR ON THE TUBE TOP ACTING UPON THE BEAM OF THE BALANCE.
Area Notes
Unknown

Details

Markings
NONE
Missing
From CA of 10/29/1993 by Tony Missio: Undetermined
Finish
METALLIC
Decoration
N/A

CITE THIS OBJECT

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

DOT Air Services Branch, Barograph part, circa 1939, Artifact no. 1987.0527, Ingenium – Canada’s Museums of Science and Innovation, http://collection.ingeniumcanada.org/en/id/1987.0527.005/

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