Sounder

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Ingenium, 1978.0491.001
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OBJECT TYPE
120 OHMS
DATE
1917–1924
ARTIFACT NUMBER
1978.0491.001
MANUFACTURER
Bunnell, J.H. & Co.
MODEL
MAIN LINE 15-B
LOCATION
New York, New York, United States of America

More Information


General Information

Serial #
N/A
Part Number
1
Total Parts
1
AKA
N/A
Patents
N/A
General Description
WOOD BASE/ BRASS/ METAL/ RUBBER

Dimensions

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

Length
14.2 cm
Width
8.0 cm
Height
10.5 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
Unknown
State/Province
Unknown
Period
Unknown
Canada
Unknown
Function
A DEVICE THAT CONVERTS ELECTROMAGNETIC CODE IMPULSES INTO SOUND.
Technical
FREED THE HANDS & EYES, PERMITTING THE OPERATOR TO FOCUS ATTENTION IN TRANSCRIBING THE MESSAGE ON PAPER. ALSO PROVIDED GREATER RECEPTION OF CODED SIGNALS.
Area Notes
Unknown

Details

Markings
INCISED ON LEVER FRONT: 'J.H. BUNNELL & CO./ NEW YORK U.S.A.'/ INCISED ON RESONATOR BASE: 'PATENTED IN U.S.A./ MARCH 6 1917'/ INCISED ON BASE RIGHT: 'MAIN LINE SOUNDER15B/ 120 OHMS'/ 'M' ENCLOSED IN A SQUARE STAMPED IN RED ON BOTTOM.
Missing
From CA of 09/06/1996 by Kevin Machan: Undetermined
Finish
VARNISHED BASE/ BLACK ENAMELLED MAGNET CASING.
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 1917–1924, Artifact no. 1978.0491, Ingenium – Canada’s Museums of Science and Innovation, http://collection.ingeniumcanada.org/en/id/1978.0491.001/

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