General Information

Serial #

8327

Part Number

2

Total Parts

3

AKA

N/A

Patents

N/A

General Description

FERROUS METAL BASE & COVER; COPPER? FLOAT COVER; BRASS? RECORDING MECHANISM, CLOCK & DRUM; GLASS WINDOW IN COVER; RUBBER? GASKET

Dimensions

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

Length

35.7 cm

Width

20.0 cm

Height

44.5 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

AFTER 1930'S? +

Canada

FROM COLLECTION OF FORESTRY & FIRE-FIGHTING EQUIPMENT USED BY &ACQUIRED FROM PNFI. FOUNDED IN 1918, IT WAS OLDEST CONTINUOUSLY 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 TANK TO WHICH IT WAS CONNECTED. THIS EXAMPLE WAS USED BY FORESTRY SERVICE TO ASSIST IN DETERMINING RISK OF FOREST FIRE.

Technical

RECORDER FOR IN-GROUND EVAPORATION TANK AT ORIGINAL WEATHER STATION AT PNFI HEADQUARTERS. PROBABLY THIS IS EXAMPLE OF FIRE RESEARCH INSTRUMENTATION BUILT AT PNFI, ABANDONED FOR MORE PRACTICAL LIVINGSTON POROUS-CAP ATMOMETER.

Area Notes

Unknown

Details

Markings

INCISED "NRLS 8327" ON RECORDER BASE

Missing

CLOCK & DRUM MECHANISM

Finish

EXTERIOR PAINTED METALLIC GREY (NOT ORIGINAL); BRASS COLOURED PARTS; METALLIC PARTS; COLOURLESS TRANSPARENT GLASS; RED RUBBER

Decoration

N/A