Barometer

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Ingenium, 1987.0545.001
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OBJECT TYPE: MERCURY/MSC FORTIN INSPECTION/MB & INCHES/ADJUSTABLE CISTERN/MOVABLE SCALE
DATE: 1943–1954
ARTIFACT NUMBER: 1987.0545.001

MANUFACTURER: DOT Air Services Branch
MODEL: Unknown
LOCATION: Unknown

More Information

General Information

Serial #: F-28
Part Number: 1
Total Parts: 1
AKA: N/A
Patents: N/A
General Description: METAL CASING & TUBE, PARTS/ GLASS TUBES/ MERCURY

Dimensions

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

Length: 7.3 cm
Width: 5.3 cm
Height: 104.0 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: Unknown
Period: after 1943, until at least the 1960's
Canada: Canadian meteorological service version of standard Fortin type barometer, designed & made in Canada for use by inspectors verifying station barometers. This example corresponds to description in 1943 manual, having two windows in cistern to illuminate point.
Function: AN INSTRUMENT THAT MEASURES ATMOSPHERIC PRESSURE THROUGH ITS EFFECT ON A COLUMN OF MERCURY. THIS BAROMETER WAS USED BY INSPECTORS TO CHECK ACCURACY OF ORDINARY STATION BAROMETERS.
Technical: Improved version of Fortin barometer, with leather bag cistern base adjusted by screw, boxwood & steel cistern, low power viewer for observing ivory point illuminated by glass windows. This construction reduced weight of instrument while maintaining ease of setting & facilitating vertical installation.
Area Notes: Unknown

Details

Markings: Incised black markings on scale and vernier for 870 to 1100 MB and 26 to 32 IN. and reading 'M.S.C./F-28'/incised black lettering on thermometer mount for +10 to +120 F.
Missing: From CA of 11/03/1993 by Tony Missio: No - Complete
Finish: BLACK ENAMEL PAINTED CASING/ PLATED AND BRUSHED METAL PARTS/ CLEAR, COLOURLESS GLASS/ YELLOW BACKED THERMOMETER TUBE.
Decoration: N/A

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

DOT Air Services Branch, Barometer, between 1943–1954, Artifact no. 1987.0545, Ingenium – Canada’s Museums of Science and Innovation, http://collection.ingenium.ca/en/id/1987.0545.001/

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