Thermometer
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1987.0509.003
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- OBJECT TYPE
- N/A
- DATE
- 1867
- ARTIFACT NUMBER
- 1987.0509.003
- MANUFACTURER
- Casella, L.
- MODEL
- Unknown
- LOCATION
- London, England
More Information
General Information
- Serial #
- N/A
- Part Number
- 3
- Total Parts
- 3
- AKA
- Thermometer set
- Patents
- N/A
- General Description
- Glass and mercury thermometers mounted on a wooden board with metal brackets, with synthetic scales.
Dimensions
Note: These reflect the general size for storage and are not necessarily representative of the object's true dimensions.
- Length
- 61.0 cm
- Width
- 20.5 cm
- Height
- 3.5 cm
- Thickness
- N/A
- Weight
- N/A
- Diameter
- N/A
- Volume
- N/A
Lexicon
- Group
- Meteorology
- Category
- Atmospheric temperature measurement
- Sub-Category
- N/A
Manufacturer
- AKA
- Casella
- Country
- England
- State/Province
- Unknown
- City
- London
Context
- Country
- Canada
- State/Province
- Ontario
- Period
- CA. 1867 TO 1930'S.
- Canada
-
INSTRUMENT USED TO RECORD AIR TEMPERATURES AT CANADA'S FIRST METEOROLOGICAL OBSERVATORY, PROVIDING A CONTINUOUS PHOTOGRAPHIC RECORD OF TEMPERATURE CHANGES FOR RESEARCH PURPOSES RATHER THAN WEATHER PREDICTION. - Function
-
Thermometer used to measure temperature together with a thermograph. - Technical
-
LATER (C. 1867) FORM OF KEW PHOTOGRAPHIC THERMOGRAPH ORIGINALLY DEVELOPED IN 1840'S AFTER INVENTION OF PHOTOGRAPHY. IT CONSISTS OF 2 MERCURY THERMOMETERS WITH BULBS IN OUTDOOR SCREEN & REST OF TUBES INDOORS, WHERE SYSTEM OF LENSES MAGNIFIES & FOCUSES LIGHT OF FLAME WHICH ILLUMINATES THERMOMETER TUBES. THIS THERMOGRAPH WAS BUILT BETWEEN 1867 AND 1873. THE ROYAL SOCIETY IN LONDON PROPOSED THE BUILDING OF THREE TYPES OF RECORDING INSTRUMENT, INCLUDING THE PHOTOGRAPHIC THERMOGRAPH AND BAROGRAPH (1987.0510), FOR BRITISH OBSERVATORIES IN 1867 AND BY LATER THAT YEAR EXAMPLES OF THESE INSTRUMENTS WERE OPERATING AT KEW AND OTHER OBSERVATORIES (REFS. 1-2). IN 1873, THE CANADIAN THERMOGRAPH AND BAROGRAPH WERE AT THE KEW OBSERVATORY IN LONDON FOR VERIFICATION (REF. 3) - Area Notes
-
Unknown
Details
- Markings
- N/A
- Missing
- Unknown
- Finish
- Unknown
- Decoration
- N/A
CITE THIS OBJECT
If you choose to share our information about this collection object, please cite:
Casella, L., Thermometer, after 1867, Artifact no. 1987.0509, Ingenium – Canada’s Museums of Science and Innovation, http://collection.ingeniumcanada.org/en/id/1987.0509.003/
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