Densitometer

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Ingenium, 1988.1125.001
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OBJECT TYPE
SPHERICAL/HAND-HELD
DATE
1956
ARTIFACT NUMBER
1988.1125.001
MANUFACTURER
FOREST DENSIOMETERS
MODEL
A
LOCATION
Arlington, Virginia, United States of America

More Information


General Information

Serial #
09153
Part Number
1
Total Parts
1
AKA
N/A
Patents
N/A
General Description
WOODEN BOX/ CHROME SPHERE/ GLASS LEVEL/ METAL HARDWARE/ PAPER INSTRUCTIONS

Dimensions

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

Length
7.9 cm
Width
7.3 cm
Height
2.9 cm
Thickness
N/A
Weight
N/A
Diameter
N/A
Volume
N/A

Lexicon

Group
Forestry
Category
Silviculture
Sub-Category
N/A

Manufacturer

AKA
FOREST
Country
United States of America
State/Province
Virginia
City
Arlington

Context

Country
North America
State/Province
Unknown
Period
THIS ONE IN 1960'S AS HAS DEPT. OF FORESTRY LABEL WHICH EXISTED BETWEEN 1960 & 1966
Canada
USED BY THE DEPARTMENT OF FORESTRY
Function
USED TO MEASURE FOREST OVERSTORY DENSITY/ FORESTERS NEED THIS TO ESTABLISH SPACING STANDARDS IN THINNINGS & TO DETERMINE LIGHT REQUIREMENTS FOR REGENERATION
Technical
PORTABLE, INEXPENSIVE INSTRUMENT THAT PROVIDES A FAST ESTIMATE OF OVERSTORYCOVERAGE BY TREE CROWNS/ NO MECHANICAL SUPPORT, SUCH AS A TRIPOD, IS NEEDED WHICH MAKES IT VERY PRACTICAL FOR FIELD USE
Area Notes
Unknown

Details

Markings
DECAL: 'DEPARTMENT OF FORESTRY/ SERIAL No. 09153'/ HANDWRITTEN ON LID TOP: 'FoRest/ Research/ Branch/ A724A'/ PAPER AFFIXED TO LID READS IN PART: 'SPHERICAL DENSIOMETER MODEL A/ (An instrument for measuring overstory density)/ Instructions/ Paul E. Lemmon, FOREST DENSIOMETERS, 2413 N. Kenmore St.,/ Arlington, Virginia, U.S.A.'
Missing
N/A
Finish
POLISHED MIRROR/ UNFINISHED BOX
Decoration
NONE

CITE THIS OBJECT

If you choose to share our information about this collection object, please cite:

FOREST DENSIOMETERS, Densitometer, circa 1956, Artifact no. 1988.1125, Ingenium – Canada’s Museums of Science and Innovation, http://collection.ingeniumcanada.org/en/id/1988.1125.001/

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