Key, telegraph

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OBJECT TYPE
WIRELESS
DATE
1910
ARTIFACT NUMBER
1978.0493.001
MANUFACTURER
Signal Electric Mfg. Co.
MODEL
Unknown
LOCATION
Menominee, Michigan, 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 FRAME, BINDING POSTS & ADJUSTMENT SCREWS/ NICKEL PLATED STEEL KEY LEVER/ NICKEL PLATED COPPER STRIP/ EBONITE OPERATING DISC AND BASE

Dimensions

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

Length
13.5 cm
Width
7.4 cm
Height
3.7 cm
Thickness
N/A
Weight
N/A
Diameter
N/A
Volume
N/A

Lexicon

Group
Communications
Category
Telegraphy
Sub-Category
N/A

Manufacturer

AKA
Signal
Country
United States of America
State/Province
Michigan
City
Menominee

Context

Country
Unknown
State/Province
Unknown
Period
C. 1920 TO 1965
Canada
Unknown
Function
A DEVICE FOR OPENING OR CLOSING AN ELECTRIC CIRCUIT TO TRANSMIT MESSAGES.
Technical
OPERATING KEY IS A TWO-STAGE TYPE, DIFFERS FROM USUAL TYPE
Area Notes
Unknown

Details

Markings
ON BASE BACK: 'SIGNAL ELECTRIC MFG. CO./ MENOMINEE, MICH.' INCISED.
Missing
CLOSURE LEVER From CA of 09/18/1996 by Kevin Machan: No - Complete
Finish
NICKEL PLATED STEEL/ NICKEL PLATED COPPER
Decoration
BEVELED BOTTOM EDGES OF BASE

CITE THIS OBJECT

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

Signal Electric Mfg. Co., Key, telegraph, circa 1910, Artifact no. 1978.0493, Ingenium – Canada’s Museums of Science and Innovation, http://collection.ingeniumcanada.org/en/id/1978.0493.001/

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