Barograph
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1987.0527.001
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- OBJECT TYPE
- MERCURY TUBE/WEIGHT/ELECTRICAL
- DATE
- 1939
- ARTIFACT NUMBER
- 1987.0527.001
- MANUFACTURER
- DOT Air Services Branch
- MODEL
- A
- LOCATION
- Unknown
More Information
General Information
- Serial #
- N/A
- Part Number
- 1
- Total Parts
- 8
- AKA
- N/A
- Patents
- N/A
- General Description
- GLASS TUBE/ SYNTHETIC PARTS
Dimensions
Note: These reflect the general size for storage and are not necessarily representative of the object's true dimensions.
- Length
- 90.8 cm
- Width
- 5.4 cm
- Height
- N/A
- 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
- N/A
- Missing
- From CA of 10/29/1993 by Tony Missio: Undetermined
- Finish
- COLOURLESS TRANSPARENT GLASS/ BLACK SYNTHETIC
- Decoration
- N/A
CITE THIS OBJECT
If you choose to share our information about this collection object, please cite:
DOT Air Services Branch, Barograph, 1939, Artifact no. 1987.0527, Ingenium – Canada’s Museums of Science and Innovation, http://collection.ingeniumcanada.org/en/item/1987.0527.001/
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