Barograph
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1987.0539.001
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- OBJECT TYPE
- ANEROID
- DATE
- 1940–1949
- ARTIFACT NUMBER
- 1987.0539.001
- MANUFACTURER
- Meteorological Service of Canada
- MODEL
- A
- LOCATION
- Canada
More Information
General Information
- Serial #
- 43/117
- 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
- 32.7 cm
- Width
- 17.0 cm
- Height
- 22.8 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 PRESSURES THROUGH ITS EFFECT ON AN ANEROID, A METAL CHAMBER PARTIALLY EXHAUSTED 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;THE ANEROID 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./43/117'.
- Missing
- PEN LINK/ ANEROID AND CASING, DRUM AND CLOCK DETACHED IN CASE. From CA of 10/28/1993 by Tony Missio: Yes
- 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. 1987.0539, Ingenium – Canada’s Museums of Science and Innovation, http://collection.ingeniumcanada.org/en/id/1987.0539.001/
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