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

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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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