Earphone
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1986.0851.002
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- OBJECT TYPE
- N/A
- DATE
- Unknown
- ARTIFACT NUMBER
- 1986.0851.002
- MANUFACTURER
- STOLZ ELECTROPHONE CO. INC.
- MODEL
- Unknown
- LOCATION
- Chicago, Illinois, United States of America
More Information
General Information
- Serial #
- N/A
- Part Number
- 2
- Total Parts
- 4
- AKA
- N/A
- Patents
- N/A
- General Description
- METAL CASING; CARBON HEAD
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
- 2.0 cm
- Thickness
- N/A
- Weight
- N/A
- Diameter
- 5.6 cm
- Volume
- N/A
Lexicon
- Group
- Medical Technology
- Category
- Assistive technologies
- Sub-Category
- N/A
Manufacturer
- AKA
- STOLZ
- Country
- United States of America
- State/Province
- Illinois
- City
- Chicago
Context
- Country
- Canada
- State/Province
- Ontario
- Period
- PROBABLY USED C. 1930S-1940S
- Canada
-
Unknown - Function
-
TO AMPLIFY SOUND, FOR USE BY DEAF & HARD OF HEARING. - Technical
-
EXAMPLE OF EARLY ELECTRIC HEARING AID. POWERED BY A DRY CELL BATTERY, WHICH WOULD BE HELD IN A BREAST POCKET OR LAID ON A TABLE, SOUND WAS TRANSMITTED VIA THE CARBON MICROPHONE (PROBABLY SUSPENDED AROUND THE NECK) & AMPLIFIED BY THE EARPIECE TO BE HELD FIRMLY AGAINST THE EAR. LESS OBTRUSIVE THAN AN EAR TRUMPET. - Area Notes
-
Unknown
Details
- Markings
- SWITCH LABELLED 'ON OFF'
- Missing
- N/A
- Finish
- BLACK
- Decoration
- N/A
CITE THIS OBJECT
If you choose to share our information about this collection object, please cite:
STOLZ ELECTROPHONE CO. INC., Earphone, Unknown Date, Artifact no. 1986.0851, Ingenium – Canada’s Museums of Science and Innovation, http://collection.ingeniumcanada.org/en/id/1986.0851.002/
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