General Information

Serial #

N/A

Part Number

1

Total Parts

1

AKA

N/A

Patents

N/A

General Description

CAST IRON BASE AND CASING END/ METAL CASING COVER WITHGLASS WINDOW/ METAL PARTS, INCLUDING BRASS/ PAPER CHART ON DRUM.

Dimensions

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

Length

34.5 cm

Width

14.3 cm

Height

21.5 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

Unknown

Country

Unknown

State/Province

Unknown

City

Unknown

Context

Country

Unknown

State/Province

Unknown

Period

Unknown

Canada

BOURDON TUBE THERMOGRAPHS OF UNKNOWN MANUFACTURE WERE USED BY THE CANADIAN METEOROLOGICAL SERVICE IN ADDITION TO BI-METAL THERMOGRAPHS C. 1930.

Function

AN INSTRUMENT THAT MEASURES AND RECORDS ATMOSPHERIC TEMPERATURE BY MEANS OF THE EXPANSION AND CONTRACTION OF LIQUID IN A METAL TUBE.

Technical

A DEFORMATION & LIQUID-IN-METAL INSTRUMENT ACTUATED BY A CHANGE IN VOLUME OF A LIQUID IN A METAL TUBE; IT IS THE RESULTING DEFORMATION OF THE TUBE THAT IS MEASURED. A BOURDON TUBE IS A HOLLOW FLEXIBLE METAL TUBE, CURVED & COMPLETELY FILLED WITH A FLUID, SUCH AS ALCOHOL.

Area Notes

Unknown

Details

Markings

N/A

Missing

From CA of 10/28/1993 by Tony Missio: No - Complete

Finish

BLACK ENAMEL PAINTED CASING/ BOURDON TUBE PROTECTOR/ INTERIOR PARTS/ COPPER COLOURED BOURDON TUBE AND NEEDLE/ BRASS COLOURED DRUM AND PARTS.

Decoration

N/A