General Information

Serial #

N/A

Part Number

1

Total Parts

1

AKA

N/A

Patents

N/A

General Description

WOOD HOLDER WITH NON-FERROUS METAL PROTECTOR & HANGERS/ LAMINATED SYNTHETIC SCALE/ GLASS THERMOMETER TUBE/ MERCURY/ CARDBOARD BOX

Dimensions

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

Length

37.2 cm

Width

9.3 cm

Height

3.4 cm

Thickness

N/A

Weight

N/A

Diameter

N/A

Volume

N/A

Lexicon

Group

Forestry

Category

Silviculture

Sub-Category

N/A

Manufacturer

AKA

Casella

Country

England

State/Province

Unknown

City

London

Context

Country

Canada

State/Province

Unknown

Period

1960'S

Canada

A BRITISH-MADE THERMOMETER USED BY THE CANADIAN FORESTRY SERVICE TO MONITOR ATMOSPHERIC-CLIMATIC CONDITIONS. SIMILAR THERMOMETERS WERE USED BY THE CANADIAN METEOROLOGICAL SERVICE BEFORE C.1940.

Function

AN INSTRUMENT THAT MEASURES THE HIGHEST OR MAXIMUM AIR TEMPERATURE, BY MEANS OF ITS EFFECT ON A COLUMN OF MERCURY, THE TOP OF WHICH REMAINS FIXED AT THE HIGHEST POINT THE COLUMN REACHES.

Technical

A STYLE OF THERMOMETER IN EXISTENCE SINCE AT LEAST THE 1920'S & POSSIBLY EARLIER. THELAMINATED SYNTHETIC SCALE REPLACES THE OPAL GLASS SCALE USED EARLIER.

Area Notes

Unknown

Details

Markings

INCISED BLACK 'MAXIMUM CASELLA LONDON 98371F' ON SCALE, WITH MARKINGS FOR 0 TO 120 DEGREES/ BLACK INCISED SCALE MARKINGS ON THERMOMETER WITH 'Casella London' IN SCRIPT & '98371'/ HANDWRITTEN ON BOX 'OK 10/10/69' & 'A-393/ MAX'

Missing

N/A

Finish

UNFINISHED WOOD/ BLACK PAINTED METAL/ WHITE SCALE/ CLEAR COLOURLESS GLASS WITH WHITE BACK & METALLIC BULB/ BLUE CARDBOARD

Decoration

MFR'S LOGO ON BOX READING 'CASELLA/ LONDON'