General Information

Serial #

3053

Part Number

1

Total Parts

1

AKA

N/A

Patents

N/A

General Description

COPPER BASE WITH NON-FERROUS METAL FLOAT CHAMBER, COLLECTING & SIPHONING TUBES, CLOCK & DRUM MECHANISM; GLASS SIPHONING TUBE COVER/ COPPER FUNNEL SECTION WITH BRASS RIM, SYNTHETIC DOOR IN SIDE

Dimensions

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

Length

N/A

Width

29.5 cm

Height

61.5 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

Casella

Country

England

State/Province

Unknown

City

London

Context

Country

Canada

State/Province

Ontario

Period

1960'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 COLLECTS, MEASURES & RECORDS AMOUNTS OF RAINFALL ON PAPER CHART BY MEANS OF FLOAT IN COLLECTION CHAMBER TO WHICH IS CONNECTED PEN MECHANISM. THIS EXAMPLE WAS USED BY FORESTRY SERVICE.

Technical

EXAMPLE OF BRITISH MADE RECORDING RAIN GAUGE OF NATURAL SIPHON FLOAT TYPE. THIS TYPE IS LESS COMMON THAN TIPPING BUCKET GAUGE & IS PARTICULARLY USEFUL IN RECORDING VERY LIGHT RAIN. NATURAL (AUTOMATIC) SIPHONING ACTION ENABLES COLLECTING VESSEL TO EMPTY ITSELF & RAIN GAUGE TO BE UNATTENDED FOR LONGER PERIODS OF TIME THAN OTHER FLOAT TYPE RAIN GAUGES.

Area Notes

Unknown

Details

Markings

INCISED LETTERING ON BRASS RIM READS "CASELLA LONDON"/ WHITE LETTERING ON FLOAT CHAMBER COVER READS "PAT. No. 162501/ CASELLA/ LONDON/ 3053/ MADE IN ENGLAND"/ HANDWRITTEN "#1"ON BASE & DRUM/ HANDWRITTEN LABEL ON TOP READS "182 284"

Missing

PEN ARM & PEN NIB

Finish

COPPER COLOURED BASE (DISCOLOURED)/ METALLIC CLOCK & DRUM MECHANISM, COLLECTING TUBE & PARTS/ GREY PAINTED FLOAT CHAMBER & SIPHONING TUBE/ BLACK PAINTED FLOAT CHAMBER COVER/ COLOURLESS TRANSPARENT GLASS/ COPPER COLOURED FUNNEL SECTION (ALSO DISCOLOURED) WITH BRASS COLOURED RIM & FUNNEL/ YELLOW DOOR

Decoration

NONE