Thermometer
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1987.0654.001
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- OBJECT TYPE
- MERCURY/MAXIMUM/FAHREN/UNMOUNTED/RADIATION/BLACK BULB
- DATE
- Unknown
- ARTIFACT NUMBER
- 1987.0654.001
- MANUFACTURER
- Negretti & Zambra
- MODEL
- Unknown
- LOCATION
- London, England
More Information
General Information
- Serial #
- 220459
- Part Number
- 1
- Total Parts
- 1
- AKA
- N/A
- Patents
- N/A
- General Description
- GLASS INNER AND OUTER TUBES/ METAL PARTS.
Dimensions
Note: These reflect the general size for storage and are not necessarily representative of the object's true dimensions.
- Length
- 37.7 cm
- Width
- 6.5 cm
- Height
- N/A
- 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
- Negretti Zambra
- Country
- England
- State/Province
- Unknown
- City
- London
Context
- Country
- Canada
- State/Province
- Unknown
- Period
- Unknown
- Canada
-
A TYPE OF INSTRUMENT USED AT AT LEAST 1 CANADIAN OBSERVING STATION. - Function
-
INSTRUMENT THAT MEASURES THE RADIANT HEAT OF THE SUN, USING A BLACK PAINTED THERMOMETER PROTECTED FROM THE WIND BY A GLASS JACKET. - Technical
-
IN 1864 NEGRETTI & ZAMBRA CLAIMED TO HAVE INVENTED A BLACK BULB SOLAR RADIATION THERMOMETER WITH AN EVACUATED GLASS JACKET. IN 1938 N & Z WERE STILL SELLING A DIFFERENT VERSION, WITH THE BULB & 1 INCH OF THE STRAIGHT STEM BLACKENED; THIS EXAMPLE IS OF THIS TYPE. PROBLEMS WITH MAINTAINING THE VACUUM & STANDARDIZATION OF THIS TYPE OF THERMOMETER LED TO ITS GRADUAL ABANDONMENT. - Area Notes
-
Unknown
Details
- Markings
- Black lettering on glass of inner tube reading 'Negretti & Zambra's Patent, London 220459' & 'KO18', with markings for 10 to 190.
- Missing
- From CA of 12/23/1993 by Tony Missio: No - Complete
- Finish
- CLEAR AND COLOURLESS GLASS WITH WHITE BACKED INNER TUBE/ SPHERICAL BLACK BULB ON INNER TUBE.
- Decoration
- N/A
CITE THIS OBJECT
If you choose to share our information about this collection object, please cite:
Negretti & Zambra, Thermometer, Unknown Date, Artifact no. 1987.0654, Ingenium – Canada’s Museums of Science and Innovation, http://collection.ingeniumcanada.org/en/id/1987.0654.001/
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