Barometer

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OBJECT TYPE: MERCURY/MSC FIXED CISTERN/HIGH ALTITUDE/MB
DATE: 1960–1971
ARTIFACT NUMBER: 2002.0338.001

MANUFACTURER: DOT Meteorological Branch
MODEL: DM
LOCATION: Canada

More Information

General Information

Serial #: D.M. 592
Part Number: 1
Total Parts: 1
AKA: N/A
Patents: N/A
General Description: NON-FERROUS METAL CASING & OUTER TUBE WITH METAL PARTS/ FERROUS METAL BASE/ GLASS BAROMETER & THERMOMETER TUBES/ SYNTHETIC SCALE COVER/ MERCURY IN BAROMETER & THERMOMETER TUBES

Dimensions

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

Length: N/A
Width: 8.0 cm
Height: 103.5 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: Canada
State/Province: Unknown
City: Unknown

Context

Country: Canada
State/Province: Unknown
Period: 1960S-1970S +
Canada: SPECIALIZED VERSION OF CANADIAN BAROMETER ORIGINALLY DESIGNED IN 1930'S BY DR. JOHN PATTERSON, DIRECTOR OF MSC 1928-1946, & USED EXTENSIVELY BY MSC UNTIL AT LEAST 1970'S. FROM 1940S PATTERSON BAROMETER WAS STATION BAROMETER AT CANADIAN OBSERVING STATIONS & SEVERAL VERSIONS, INCLUDING MOUNTAIN & MARINE INSTRUMENTS, WERE PRODUCED BY MSC IN SUBSEQUENT YEARS.
Function: INSTRUMENT THAT MEASURES ATMOSPHERIC PRESSURE BY MEANS OF ITS EFFECT ON COLUMN OF MERCURY. THIS TYPE WAS USED IN AREAS OF HIGH ALTITUDE.
Technical: VERSION OF CANADIAN FIXED CISTERN BAROMETER ADAPTED FOR USE IN AREAS OF HIGH ALTITUDE, HAVING LONGER SCALE WITH LARGER RANGE THAN NORMAL STATION BAROMETERS. MSC MOUNTAIN BAROMETER WAS FIRST LISTED IN 1958 EQUIPMENT LIST (REF. 2); THIS EXAMPLE DATES FROM 1960S -1970S.\
Area Notes: Unknown

Details

Markings: INCISED BLACK LETTERING ON SCALE FOR 800 TO 1110 MB, & READING "M.S.C./ D.M./ 592"/ WHITE "[DEGREES] C." ON THERMOMETER CASING/ INCISED BLACK MARKINGS & LETTERING ON THERMOMETER TUBE FOR -10 TO +50 C. & READING "QC77" & "0040"/ PLATE READS "TRUE MILLIBARS/ 0 [DEGREES] AND 980.665 CM./SEC. [SQUARED]"/ GREY LABEL READS "Environment/ Canada/ Atmospheric/ Environment" & "Environnement/ Canada/ Environnement/ atmospherique"
Missing: APPEARS COMPLETE From CA of 04/27/2004 by Sue Warren: No - Complete
Finish: GLOSSY GREEN PAINTED EXTERIOR/ GREY SCALE TUBE/ PLATED BASE & PARTS/ BLACK PAINTED THERMOMETER CASING & PARTS/ PLATED PARTS/ YELLOW BACKED THERMOMETER/ COLOURLESS TRANSPARENT GLASS & SYNTHETIC
Decoration: N/A

CITE THIS OBJECT

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

DOT Meteorological Branch, Barometer, between 1960–1971, Artifact no. 2002.0338, Ingenium – Canada’s Museums of Science and Innovation, http://collections.ingeniumcanada.org/en/id/2002.0338.001/

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