Thermograph

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Ingenium, 1987.0643.001
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OBJECT TYPE
DEFORMATION/BIMETAL/EXTERNAL/AIR
DATE
1960–1969
ARTIFACT NUMBER
1987.0643.001
MANUFACTURER
Negretti & Zambra
MODEL
Unknown
LOCATION
London, England

More Information


General Information

Serial #
R/25455
Part Number
1
Total Parts
2
AKA
N/A
Patents
N/A
General Description
CAST IRON BASE AND END/ METAL CASING TOP HINGED AT ONE END/ METAL BIMETAL, MECHANISM, AND PARTS/ GLASS INK BOTTLE WITH RUBBERSTOPPER.

Dimensions

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

Length
34.8 cm
Width
19.0 cm
Height
26.8 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
AN ENGLISH MADE THERMOGRAPH, OF A TYPE USED BY THE CANADIAN METEOROLOGICAL SERVICE.
Function
AN INSTRUMENT THAT MEASURES AND RECORDS ATMOSPHERIC TEMPERATURE THROUGH THE DEFORMATION OF A BIMETALLIC SENSOR.
Technical
THIS NEGRETTI & ZAMBRA THERMOGRAPH, WITH ITS EXTERNAL HELICAL COIL BIMETAL, IS OF THE TYPE USED BY THE CANADIAN SERVICE IN THE EARLY 1950'S (REF. 1), & POSSIBLY IS THE ONE USED INTO THE 1960'S. AN EARLIER N & Z THERMOGRAPH WAS TAKEN TO CANADIAN INTERNATIONAL POLAR YEAR STATIONS IN 1932-1933.
Area Notes
Unknown

Details

Markings
Interior plate reading 'THERMOGRAPH/MADE IN ENGLAND/SERIAL NO.R/ 25455/RANGE -40/+120oF'/exterior plate reading 'NEGRETTI & ZAMBRA/TRADEMARK/ LONDON'/yellow interior decal reading 'RCAF STOCK NUMBER/6666-21-559-7005' & 'INVENTORY NO./2669-AF'.
Missing
FRONT GLASS From CA of 10/28/1993 by Tony Missio: No - Complete
Finish
BLACK ENAMEL PAINTED CASING AND BIMETAL PROTECTOR/ METALLIC PARTS/ PLATED INK BOTTLE HOLDER/ BLACK RUBBER/ CLEAR, COLOURLESS GLASS
Decoration
N/A

CITE THIS OBJECT

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

Negretti & Zambra, Thermograph, between 1960–1969, Artifact no. 1987.0643, Ingenium – Canada’s Museums of Science and Innovation, http://collection.ingeniumcanada.org/en/item/1987.0643.001/

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