Thermometer

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Ingenium, 1987.0670.001
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OBJECT TYPE: SPIRIT/MINIMUM/FAHREN/UNMOUNTED
DATE: Unknown
ARTIFACT NUMBER: 1987.0670.001

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

More Information

General Information

Serial #: 61421/40
Part Number: 1
Total Parts: 1
AKA: N/A
Patents: N/A
General Description: GLASS INNER AND OUTER TUBES/ ALCOHOL

Dimensions

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

Length: 32.8 cm
Width: 1.6 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: Unknown
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: SHEATHED MINIMUM THERMOMETERS WITH SPHERICAL BULBS WERE IN USE FROM 1952 OR EARLIER INTO THE 1970'S AS GRASS MINIMUM THERMOMETERS, MOUNTED ON A LAWN STAND & PLACED ON THE GRASS. THIS THERMOMETER, ALTHOUGH NOT MARKED 'MSC', IS OF THIS TYPE. SEE ALSO 890105.
Area Notes: Unknown

Details

Markings: Black lettering on back of inner tube reading 'M.MIN/100F', 'B.S.C. 692' Negretti & Zambra, London' & '61421/40' with mfr's logo, with markings for -30 to +100 F on front.
Missing: From CA of 12/23/1993 by Tony Missio: Undetermined
Finish: CLEAR, COLOURLESS GLASS WITH WHITE BACKED INNER TUBE
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. 1987.0670, Ingenium – Canada’s Museums of Science and Innovation, http://collection.ingenium.ca/en/id/1987.0670.001/

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