Key, telegraph

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OBJECT TYPE: OPEN CIRCUIT/LEGLESS
DATE: 1900
ARTIFACT NUMBER: 1975.0107.001

MANUFACTURER: Bunnell Telegraphic & Electrical Mfg. Co.
MODEL: Unknown
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: BRASS BASE, 'CIRCUIT CLOSER' LEVER, ADJUSTMENT SCREWS & BINDING POSTS/ NICKEL PLATED STEEL KEY LEVER/ NICKEL PLATED COPPER STRIP/ EBONITE OPERATING DISC & LEVER KNOB.

Dimensions

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

Length: 12.5 cm
Width: 6.7 cm
Height: 3.1 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: Unknown
Canada: Unknown
Function: A DEVICE FOR OPENING OR CLOSING AN ELECTRIC CIRCUIT TO TRANSMIT MESSAGES.
Technical: ELIMINATED BATTERY WASTE WHEN TRANSMISSIONS WERE NOT BEING MADE, WITHOUT CLOSING INCOMING MESSAGE TRANSFERENCE.
Area Notes: Unknown

Details

Markings: ON BASE: 'J.H. BUNNELL CO/ NEW YORK USA' INCISED.
Missing: N/A
Finish: NICKEL PLATED STEEL KEY LEVER/ NICKEL PLATED COPPER STRIP
Decoration: BLACK EBONITE OPERATINGDISC & LEVER KNOB.

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

Bunnell Telegraphic & Electrical Mfg. Co., Key, telegraph, circa 1900, Artifact no. 1975.0107, Ingenium – Canada’s Museums of Science and Innovation, http://collection.ingeniumcanada.org/en/id/1975.0107.001/

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