General Information

Serial #

C.G.8410

Part Number

1

Total Parts

3

AKA

N/A

Patents

N/A

General Description

GLASS THERMOMETER/ MERCURY/ WOOD CASE

Dimensions

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

Length

33.1 cm

Width

2.0 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

FROM THERMOMETER COLLECTION OF R.C. JACOBSEN OF MSC (C. 1931- 1951). HE TOOK PART IN CANADIAN INTERNATIONAL POLAR YEAR EXPEDITION TO COPPERMINE, NWT (1932); WAS INVOLVED IN DESIGN OF MSC RADIOSONDE IN 1930'S; DESIGNED METEO INSTRUMENTS FOR AIRCRAFT WHICH HE USED TOMAKE OBSERVATIONS OVER LAKE ONTARIO IN HIS OWN PLANE.

Function

INSTRUMENT USED TO MEASURE TEMPERATURE OF LIQUIDS BY MEANS OF EFFECT OF TEMPERATURE ON COLUMN OF MERCURY IN GLASS WHEN THERMOMETER IS IMMERSED.

Technical

SINGLE TUBE WHITE BACKED CELSIUS THERMOMETER FOR IMMERSION IN LIQUIDS, WITH VERTICAL SCALE & GLASS RING ON END FOR SUSPENSION.

Area Notes

Unknown

Details

Markings

INCISED BLACK HANDWRITING ON BACK READS "Total Immersion Negretti & Zambra, London" WITH MFR.'S LOGO, "Made in England", & "C.G. 8410"/ INCISED BLACK SCALE MARKINGS FOR -35 TO +40 C./ HAND PENCILED MFR.'S LOGO & LETTERING ON CASE READS: "CG 4810 [SIC]"

Missing

COMPLETE

Finish

COLOURLESS TRANSPARENT THERMOMETER TUBE WITH WHITE BACK/ METALLIC BULB/ UNFINISHED WOOD

Decoration

N/A