General Information

Serial #

N/A

Part Number

1

Total Parts

1

AKA

N/A

Patents

N/A

General Description

FERROUS METAL BASE & COVER/ BRASS? RECORDING MECHANISM, CLOCK & DRUM, PARTS/ GLASS WINDOW

Dimensions

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

Length

49.9 cm

Width

25.3 cm

Height

48.5 cm

Thickness

N/A

Weight

N/A

Diameter

N/A

Volume

N/A

Lexicon

Group

Forestry

Category

Fire fighting

Sub-Category

N/A

Manufacturer

AKA

PNFI

Country

Canada

State/Province

Ontario

City

Chalk River

Context

Country

Canada

State/Province

Ontario

Period

1930'S? +

Canada

FROM COLLECTION OF FORESTRY & FIRE-FIGHTING EQUIPMENT USED BY & ACQUIRED FROM PNFI. FOUNDED IN 1918, IT WAS OLDESTCONTINUOUSLY OPERATING FORESTRY-RESEARCH ESTABLISHMENT IN CANADA UNTIL IT CLOSED IN 1995. PNFI STUDIED GROWTH OF VARIOUS SPECIES & FOREST MANAGEMENT, PARTICULARLY FIRE PREVENTION & SUPPRESSION.

Function

INSTRUMENT THAT RECORDS ON PAPER CHART RATE OF EVAPORATION OF WATER FROM EVAPORATION SENSOR, PROBABLY LIVINGSTON ATMOMETER BULB, TO WHICH IT WAS CONNECTED. THIS EXAMPLE WAS USED BY FORESTRY SERVICE TO ASSIST IN DETERMINING RISK OF FOREST FIRE.

Technical

CUSTOM-MADE INSTRUMENT, ONLY ONE OF THIS TYPE USED BY PNFI, USED WITH LIVINGSTON ATMOMETER BULB. PROBABLY ONE OF SEVERAL EVAPORATION MEASURING RESEARCH INSTRUMENTS DEVELOPED & USED AT PNFI FOR FOREST FIRE RESEARCH.

Area Notes

Unknown

Details

Markings

NONE

Missing

UNKNOWN

Finish

WHITE PAINT NOW LARGELY FLAKED OFF GALVANIZED SURFACE/ BRASS COLOURED & METALLIC PARTS/ COLOURLESS TRANSPARENT GLASS/ BLACK RESERVOIR

Decoration

N/A