Key, telegraph

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OBJECT TYPE
LEGLESS
DATE
1923
ARTIFACT NUMBER
1970.0148.001
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
NICKEL PLATED CAST STEEL/ EBONITE OPERATING KNOB

Dimensions

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

Length
14.0 cm
Width
6.0 cm
Height
4.1 cm
Thickness
N/A
Weight
N/A
Diameter
N/A
Volume
N/A

Lexicon

Group
Communications
Category
Telegraphy
Sub-Category
N/A

Manufacturer

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

Context

Country
Unknown
State/Province
Unknown
Period
CIRCA 1923
Canada
Unknown
Function
A SWITCH FOR EASE OF OPERATION BY HAND TO CAUSE THE INTERRUPTION OF THE FLOW OF AN ELECTRICAL CURRENT IN THE XMT OF WIRELESS SIGNALS.
Technical
Unknown
Area Notes
Unknown

Details

Markings
ON BASE BACK: 'SIGNAL ELECTRIC MFG. CO./ MENOMINEE, MICH' INCISED.
Missing
N/A
Finish
NICKEL PLATED STEEL
Decoration
N/A

CITE THIS OBJECT

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

Signal Electric Mfg. Co., Key, telegraph, after 1923, Artifact no. 1970.0148, Ingenium – Canada’s Museums of Science and Innovation, http://collection.ingeniumcanada.org/en/id/1970.0148.001/

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