General Information

Serial #

C.1.1187

Part Number

1

Total Parts

1

AKA

N/A

Patents

N/A

General Description

GLASS INNER & OUTER TUBES/ MERCURY/ RUBBER? PART

Dimensions

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

Length

35.0 cm

Width

1.2 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

1939 & AFTER

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 TO MAKE OBSERVATIONS OVER LAKE ONTARIO IN HIS OWN PLANE.

Function

INSTRUMENT THAT MEASURES HIGHEST OR MAXIMUM TEMPERATURE BY MEANS OF COLUMN OF MERCURY, TOP OF WHICH REMAINS FIXED AT HIGHEST POINT MERCURY REACHES.

Technical

"CANADIAN PATTERN" THERMOMETER, MADE IN ENGLAND FOR MSC. DOUBLE TUBE OR SHEATHED MAXIMUM THERMOMETER WITH SPHERICAL BULB, OF KIND USED BY MSC CIRCA 1930 TO 1951, AFTER WHICH SHEATHLESS THERMOMETERS WERE USED. DOUBLE TUBE SERVED TO PROTECT SCALE FROM WEATHERING. CANADIAN VERSION APPEARED IN N&Z'S 1938 CATALOGUE.

Area Notes

Unknown

Details

Markings

BLACK LETTERING ON BACK READING ""M.S.C. Max 2" 1939 Negretti & Zambra, London C.I.1187 Made in England", WITH MFR.'S LOGO/ BLACK SCALE MARKINGS FOR -40 TO +110 F.

Missing

COMPLETE

Finish

COLOURLESS TRANSPARENT GLASS WITH WHITE BACKED INNER TUBE/ METALLIC BULB/ BLACK RUBBER

Decoration

N/A