General Information

Serial #

I14953

Part Number

1

Total Parts

1

AKA

N/A

Patents

N/A

General Description

FERROUS METAL BASE/ NON-FERROUS METAL COVER WITH GLAZED WINDOW & GRILLE SIDES/ METAL PARTS/ PAPER CHART/ HUMAN HAIR

Dimensions

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

Length

28.8 cm

Width

13.0 cm

Height

20.3 cm

Thickness

N/A

Weight

N/A

Diameter

N/A

Volume

N/A

Lexicon

Group

Forestry

Category

Silviculture

Sub-Category

N/A

Manufacturer

AKA

Short Mason

Country

England

State/Province

Unknown

City

London

Context

Country

Canada

State/Province

Unknown

Period

Unknown

Canada

A BRITISH-MADE METEOROLOGICAL INSTRUMENT USED BY THE CANADIAN FORESTRY SERVICE TO MONITOR ATMOSPHERIC-CLIMATIC CONDITIONS

Function

AN INSTRUMENT THAT MEASURES & RECORDS ATMOSPHERIC HUMIDITY & TEMPERATURE BY MEANS OF THEIR EFFECT ON A HAIR BUNDLE HUMIDITY SENSOR & BIMETAL TEMPERATURE SENSOR RESPECTIVELY.

Technical

AN EXAMPLE OF A DUAL-FUNCTION METEOROLOGICAL INSTRUMENT WITH AN INTERNAL TEMPERATURE SENSOR FORMED BY A HELIX OF BIMETALLIC METAL WHICH COILS & UNCOILS IN RESPONSE TO CHANGES IN TEMPERATURE, & AN EXTERNAL HUMIDITY SENSOR FORMED BY A BUNDLE OF SPECIALLY TREATED HUMAN HAIR WHICH CHANGES ITS LENGTH IN RESPONSE TO CHANGES IN HUMIDITY.

Area Notes

Unknown

Details

Markings

PLATE ON TOP READS 'SHORT & MASON/ LONDON/ CHART NO.37/ SERIAL NO. I 14953/ MADE IN ENGLAND'/ INCISED '476569'/ ADHESIVE LABEL READS 'DEPARTMENT OF FORESTRY/ SERIAL NO. 05595' CHART PRINTED IN GREEN 'PEN RADIUS = 7.3 INCHES AXIS ABOVE FLANGE=1.57 INCHES 1 HOUR=.065 INCHES 100 DEG. FAHR.=3 INCHES NO. ST. 9W-R (37) CC&S LTD. OAKVILLE ONT. PRINTED IN CANADA'

Missing

N/A

Finish

CASING PAINTED BLACK/ WHITE PAINTED? INTERIOR BASE/ GOLD PAINTED DRUM, INK BOTTLE HOLDERS, MECHANISM FRAME, PARTS/ PLATED PEN ARMS/ METALLIC BIMETAL ELEMENT/ WHITE PAPER

Decoration

N/A