Plunger
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Ingenium,
1996.0497.007
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- OBJECT TYPE
- evaporation pan
- DATE
- 1930
- ARTIFACT NUMBER
- 1996.0497.007
- MANUFACTURER
- P.N.F.I.
- MODEL
- HURST INTEGRATING ATMOMETER
- LOCATION
- Chalk River, Ontario, Canada
More Information
General Information
- Serial #
- N/A
- Part Number
- 7
- Total Parts
- 13
- AKA
- N/A
- Patents
- N/A
- General Description
- BRASS PLUNGER
Dimensions
Note: These reflect the general size for storage and are not necessarily representative of the object's true dimensions.
- Length
- N/A
- Width
- N/A
- Height
- 29.0 cm
- Thickness
- N/A
- Weight
- N/A
- Diameter
- 1.8 cm
- 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
-
CANADIAN DESIGNED EVAPORATION MEASURING DEVICE MADE FOR CANADIAN FORESTRY SERVICE./ FROM COLLECTION OF FORESTRY & FIRE-FIGHTING EQUIPMENT USED BY & ACQUIRED FROM PNFI, CANADIAN GOV'T FORESTRY RESEARCH ESTABLISHMENT WHICH OPERATED FROM 1918-1995. PNFI STUDIED SPECIES GROWTH & FOREST MANAGEMENT, PARTICULARLY FIRE PREVENTION & SUPPRESSION. - Function
-
DEVICE USED TO MEASURE RATE AT WHICH LIQUID EVAPORATES INTO AIR. THIS TYPE CONSISTED OF ONE SMALL PAN CONTAINING SULPHURIC ACID & ONE CONTAINING GLYCERINE; MEASUREMENTS OF EVAPORATION WERE TAKEN FROM EACH BY MEANS OF CALIBRATED PLUNGER. THEY WERE USED BY FORESTRY SERVICE IN DETERMINING RISK OF FOREST FIRE. - Technical
-
DESIGNED BY DR. DONALD HURST OF NRC ATOMIC ENERGY PROJECT AT CHALK RIVER, ON. THESE WERE SIMPLE MEANS OF MEASURING FOREST FIRE DANGER; IT WAS THOUGHT THAT THEY WOULD INTEGRATE EFFECTS OF WIND, HUMIDITY & TEMPERATURE. RAINFALL & EVAPORATION MEASUREMENTS WERE MAIN COMPONENTS OF FIRE DANGER RATING. - Area Notes
-
Unknown
Details
- Markings
- INCISED SCALE ON PLUNGER FOR 0 TO 100 & NUMBER ON END READS "2"
- Missing
- N/A
- Finish
- BRASS COLOURED
- Decoration
- N/A
CITE THIS OBJECT
If you choose to share our information about this collection object, please cite:
P.N.F.I., Plunger, circa 1930, Artifact no. 1996.0497, Ingenium – Canada’s Museums of Science and Innovation, http://collection.ingeniumcanada.org/en/item/1996.0497.007/
FEEDBACK
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