Earphone

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Ingenium, 1987.0028.002
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OBJECT TYPE
N/A
DATE
1948
ARTIFACT NUMBER
1987.0028.002
MANUFACTURER
Brush Development Co.
MODEL
Unknown
LOCATION
United States of America

More Information


General Information

Serial #
N/A
Part Number
2
Total Parts
2
AKA
N/A
Patents
N/A
General Description
Bakelite headphone parts/ metal band/ fabric cord covering

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
N/A
Thickness
N/A
Weight
N/A
Diameter
N/A
Volume
N/A

Lexicon

Group
Mining and Metallurgy
Category
Mineral exploration
Sub-Category
N/A

Manufacturer

AKA
Brush
Country
United States of America
State/Province
Unknown
City
Unknown

Context

Country
Unknown
State/Province
Unknown
Period
AFTER 1945-1948
Canada
Unknown
Function
Part of an instrument used to locate radioactive minerals in the field by detecting gamma rays emitted by radioactive substances
Technical
Unknown
Area Notes
Unknown

Details

Markings
Raised lettering on earphone reading "MADE IN U.S.A./BRUSH/THE BRUSH/DEVELOPMENT CO./ PATENT NOTICE ON CARTON"
Missing
From CA of 01/07/2002 by David Daley: No - Complete
Finish
Black bakelite headphone parts, black painted band, and black fabric cord covering
Decoration
N/A

CITE THIS OBJECT

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

Brush Development Co., Earphone, circa 1948, Artifact no. 1987.0028, Ingenium – Canada’s Museums of Science and Innovation, http://collection.ingeniumcanada.org/en/item/1987.0028.002/

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