General Information

Serial #

N/A

Part Number

2

Total Parts

2

AKA

N/A

Patents

N/A

General Description

GLASS THERMOMETER TUBE/ SPIRIT

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

N/A

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

Zeal

Country

England

State/Province

Unknown

City

London

Context

Country

Canada

State/Province

Unknown

Period

1970's & 1980's

Canada

A THERMOMETER MADE BY A BRITISH COMPANY IN ENGLAND, SPECIFICALLY FOR THE CANADIAN METEOROLOGICAL SERVICE. THE THERMOMETER WAS MADE AFTER 1971 WHEN THE CANADIAN SERVICE BECAME AES, & PROBABLY BEFORE 1975 WHEN BROADCAST OF TEMPERATURE IN CELSIUS BEGAN IN CANADA.

Function

USED TO MEASURE THE LOWEST OR MINIMUM AIR TEMPERATURE AT GROUND LEVEL BY MEANS OF A CONICAL GLASS INDEX WHICH REMAINS FIXED IN A COLUMN OF ALOCHOL AT THE LOWEST POINT TO WHICH THE LIQUID DROPS. USED MOSTLY TO PROVIDE INFORMATION ON GROUND FROSTS.

Technical

A GRASS MINIMUM THERMOMETER UNIT CONSISTING OF A LAWN STAND OF THE TYPE LLUSTRATED IN THE 1971 AES THERMOMETER MANUAL, & AN AES MINIMUM THERMOMETER CONTAINING RED DYED SPIRIT.

Area Notes

Unknown

Details

Markings

incised black lettering on back reading 'ZEAL MADE IN ENGLAND AES MIN' & '6012' on front/ incised black markings and numbers for -90 to +110 F.

Missing

From CA of 12/30/1993 by Tony Missio: No - Complete

Finish

CLEAR, COLOURLESS GLASS WITH WHITE BACK, RED SPIRIT, DARK INDEX

Decoration

N/A