Sounder
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2009.0380.001
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- OBJECT TYPE
- 20 OHMS/miniature
- DATE
- 1900
- ARTIFACT NUMBER
- 2009.0380.001
- MANUFACTURER
- Bunnell, J.H. & Co.
- MODEL
- 20
- LOCATION
- New York, New York, United States of America
More Information
General Information
- Serial #
- N/A
- Part Number
- 1
- Total Parts
- 1
- AKA
- secret sounder
- Patents
- N/A
- General Description
- Dark brown/black moulded synthetic casing and membrane; metal [possibly brass] contacts and minor fittings.
Dimensions
Note: These reflect the general size for storage and are not necessarily representative of the object's true dimensions.
- Length
- 6.5 cm
- Width
- 6.5 cm
- Height
- 3.5 cm
- Thickness
- N/A
- Weight
- N/A
- Diameter
- N/A
- Volume
- N/A
Lexicon
- Group
- Communications
- Category
- Telegraphy
- Sub-Category
- N/A
Manufacturer
- AKA
- Bunnell
- Country
- United States of America
- State/Province
- New York
- City
- New York
Context
- Country
- Canada
- State/Province
- Unknown
- Period
- This type of sounder used c. 1900 +
- Canada
-
This sounder belonged to Gordon S. Bennett, telegraph operator and later radio broadcast superintendent for the Canadian Pacific Railway. - Function
-
Converts electromagnetic code impulses into sound. This type is used in a noisy environment, or when secrecy is desired. - Technical
-
Held against the operator's ear by a head band, secret sounders were used in noisy places like busy telegraph offices, press rooms, or sports events or in situations where secrecy or silence were desired. Essentially a miniature version of the conventional telegraph sounder enclosed in a earpiece that is normally attached to a head band. - Area Notes
-
Unknown
Details
- Markings
- "J.H. BUNNELL & CO./ N.Y., U.S.A." and "20" stamped into casing back.
- Missing
- Missing head band mounting.
- Finish
- Dark brown/black moulded synthetic casing and membrane; metal [possibly brass] contacts and minor fittings.
- Decoration
- N/A
CITE THIS OBJECT
If you choose to share our information about this collection object, please cite:
Bunnell, J.H. & Co., Sounder, circa 1900, Artifact no. 2009.0380, Ingenium – Canada’s Museums of Science and Innovation, http://collections.ingeniumcanada.org/en/id/2009.0380.001/
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