Psychrometer
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1990.0268.001
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- OBJECT TYPE
- SLING/RIGID HANDLE/FAHREN
- DATE
- 1957
- ARTIFACT NUMBER
- 1990.0268.001
- MANUFACTURER
- Casella
- MODEL
- Unknown
- LOCATION
- London, England
More Information
General Information
- Serial #
- N/A
- Part Number
- 1
- Total Parts
- 1
- AKA
- N/A
- Patents
- N/A
- General Description
- WOOD FRAME/ SYNTHETIC HANDLE & WATER RESERVOIR/ GLASS THERMOMETERS/ COTTON WICK/ MERCURY/ METAL SCREWS/ LEATHER CASE WITH METAL HARDWARE
Dimensions
Note: These reflect the general size for storage and are not necessarily representative of the object's true dimensions.
- Length
- 22.8 cm
- Width
- 16.4 cm
- Height
- 3.6 cm
- Thickness
- N/A
- Weight
- N/A
- Diameter
- N/A
- Volume
- N/A
Lexicon
- Group
- Meteorology
- Category
- Atmospheric humidity measurement
- Sub-Category
- N/A
Manufacturer
- AKA
- Casella
- Country
- England
- State/Province
- Unknown
- City
- London
Context
- Country
- Canada
- State/Province
- Unknown
- Period
- Unknown
- Canada
-
BRITISH-MADE METEOROLOGICAL INSTRUMENT USED BY GEODETIC SURVEY OFCANADIAN DEPT. OF ENERGY, MINES, & RESOURCES. - Function
-
INSTRUMENT FOR DETERMINING ATMOSPHERIC HUMIDITY BY COMPARING DIFFERENT READINGS FROM TWO THERMOMETERS, ONE WITH BULB KEPT WET. INSTRUMENT IS VENTILATED BY WHIRLING IT THROUGH AIR. - Technical
-
EXAMPLE OF SIMPLE, PORTABLE HUMIDITY MEASURING INSTRUMENT. IT IS TYPICAL OF BRITISH (& CANADIAN) PSYCHROMETERS IN HAVING RIGID HANDLE & HEAVY FRAME PROTECTING THERMOMETERS. THIS SPECIMEN HAS WATER RESERVOIR BUILT INTO END OF FRAME, INTO WHICH BULB WITH DIPS, KEEPING IT CONTINUALLY MOISTENED. - Area Notes
-
Unknown
Details
- Markings
- BLACK STAMPED 'CASELLA/ LONDON' & 'MADE IN ENGLAND' ON WOOD/ THERMOMETER BACKS MARKED IN BLACK 'MADE IN ENGLAND BS2842/57 Casella London N.F. 32953' or '36810' (Casella London IS IN SCRIPT, SERIAL NOS. HAND INSCRIBED)/ BLACK MARKINGS & SCALES ON FRONTS FOR 20 TO 120 F./ BLACK HANDWRITTEN '1003' IN TWO PLACES ON CASE
- Missing
- CLASP BROKEN ON CASE
- Finish
- VARNISHED WOOD/ BLACK HANDLE/ WHITE RESERVOIR/ WHITE COTTON/ TRANSPARENT GLASS THERMOMETER TUBES WITH WHITE BACKS/ BROWN LEATHER/ PLATED & METALLIC PARTS
- Decoration
- N/A
CITE THIS OBJECT
If you choose to share our information about this collection object, please cite:
Casella, Psychrometer, 1957, Artifact no. 1990.0268, Ingenium – Canada’s Museums of Science and Innovation, http://collection.ingeniumcanada.org/en/id/1990.0268.001/
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