Thermometer
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1993.0359.002
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- OBJECT TYPE
- MERCURY-THALLIUM/MAXIMUM/FAHREN
- DATE
- Unknown
- ARTIFACT NUMBER
- 1993.0359.002
- MANUFACTURER
- H-B INSTRUMENT CO.
- MODEL
- Unknown
- LOCATION
- Philadelphia, Pennsylvania, United States of America
More Information
General Information
- Serial #
- T54139
- Part Number
- 2
- Total Parts
- 2
- AKA
- N/A
- Patents
- N/A
- General Description
- GLASS THERMOMETER TUBE/ MERCURY CONTAINING THALLIUM
Dimensions
Note: These reflect the general size for storage and are not necessarily representative of the object's true dimensions.
- Length
- 34.4 cm
- Width
- N/A
- 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
- HB
- Country
- United States of America
- State/Province
- Pennsylvania
- City
- Philadelphia
Context
- Country
- Canada
- State/Province
- Unknown
- Period
- Unknown
- Canada
-
FROM THERMOMETER COLLECTION OF R.C. JACOBSEN OF MSC (C. 1931- 1951). HE TOOK PART IN CANADIAN INTERNATIONAL POLAR YEAR EXPEDITION TO COPPERMINE, NWT (1932);WAS INVOLVED IN DESIGN OF MSC RADIOSONDE IN 1930'S; DESIGNED METEO INSTRUMENTS FOR AIRCRAFT WHICH HE USED TO MAKE OBSERVATIONS OVER LAKE ONTARIO IN HIS OWN PLANE. - Function
-
INSTRUMENT THAT MEASURES MAXIMUM AIR TEMPERATURES BY MEANS OF COLUMN OF MERCURY-IN-GLASS, TOP OF WHICH REMAINS FIXED AT HIGHEST POINT THAT COLUMN REACHES. IT WAS USED IN LOW TEMPERATURE SITUATIONS: MERCURY CONTAINS THALLIUM, WHICH LOWERS ITS FREEZING POINT FOR USE AT VERY LOW TEMPERATURES. - Technical
-
AMERICAN MADE MERCURY-THALLIUM THERMOMETER FOR LOW TEMPERATURES. MERCURY-THALLIUM FREEZES AT -78 DEGREES F. WHILE MERCURY DOES SO AT -38 DEGREES F. CANADIAN METEOROLOGICAL SERICE BEGAN USING MERCURY-THALLIUM THERMOMETERS IN 1948-1949. - Area Notes
-
Unknown
Details
- Markings
- INCISED BLACK LETTERING ON BACK READING "MERCURY-THALLIUM FILLED" WITH MFR.'S LOGO & "T54139" / INCISED BLACK SCALE MARKINGS FOR -75 TO +110 F. ON FRONT
- Missing
- COMPLETE
- Finish
- COLOURLESS TRANSPARENT TUBE WITH WHITE BACK/ METALLIC BULB WITH WHITE BACK
- Decoration
- N/A
CITE THIS OBJECT
If you choose to share our information about this collection object, please cite:
H-B INSTRUMENT CO., Thermometer, Unknown Date, Artifact no. 1993.0359, Ingenium – Canada’s Museums of Science and Innovation, http://collection.ingeniumcanada.org/en/item/1993.0359.002/
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