Thermometer

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Ingenium, 1987.0661.001
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OBJECT TYPE: SPIRIT/MINIMUM/FAHREN/MOUNTED
DATE: Unknown
ARTIFACT NUMBER: 1987.0661.001

MANUFACTURER: Negretti & Zambra
MODEL: Unknown
LOCATION: London, England

More Information

General Information

Serial #: B 21291
Part Number: 1
Total Parts: 1
AKA: N/A
Patents: N/A
General Description: WOOD HOLDER WITH METAL PROTECTOR & HANGER/ GLASS THERMOMETER AND INDEX/ CERAMIC SCALE/ ALCOHOL

Dimensions

Note: These reflect the general size for storage and are not necessarily representative of the object's true dimensions.

Length: 35.6 cm
Width: 7.5 cm
Height: 2.7 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: Negretti Zambra
Country: England
State/Province: Unknown
City: London

Context

Country: Canada
State/Province: Unknown
Period: Unknown
Canada: SIMILAR TO THERMOMETERS ILLUSTRATED IN PATTERSON'S 1930 INSTRUCTIONS TO OBSERVERS IN THE METEOROLOGICAL SERVICE OF CANADA, & POSSIBLY THE TYPE USED AT CANADIAN OBSERVINGSTATIONS.
Function: AN INSTRUMENT THAT MEASURES THE LOWEST OR MINIMUM AIR TEMPERATURE BY MEANS OF A CONICAL GLASS INDEX WHICH REMAINS FIXED IN A COLUMN OF ALCOHOL AT THE LOWEST POINT TO WHICH THE LIQUID DROPS.
Technical: THIS APPEARS TO REPRESENT AN OLDER STYLE OF THERMOMETER,IN WHICH THE SINGLE TUBE IS MOUNTED ON A SCALE ON A WOOD MOUNT. SIMILAR INSTRUMENTS ARE ILLUSTRATED IN PATTERSON'S 1930 GUIDE TO CANADIAN OBSERVERS BUT NOT IN CANADIAN METEOROLOGIST MIDDLETON'S 1941 GUIDE.
Area Notes: Unknown

Details

Markings: Black lettering on scale reading 'NEGRETTI & ZAMBRA, LONDON', 'B21291', markings for -80 to +110, & mfr's logo/incised markings on glass and black 'B 21291'.
Missing: From CA of 12/22/1993 by Tony Missio: No - Complete
Finish: ORIGINALLY STAINED AND VARNISHED WOOD/ DARK GREY METAL/ CLEAR, COLOURLESS THERMOMETER WITH WHITE BACK/ WHITE SCALE/ BLUE DUMBBELL INDEX
Decoration: N/A

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If you choose to share our information about this collection object, please cite:

Negretti & Zambra, Thermometer, Unknown Date, Artifact no. 1987.0661, Ingenium – Canada’s Museums of Science and Innovation, http://collection.ingeniumcanada.org/en/id/1987.0661.001/

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