Key, telegraph

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OBJECT TYPE: N/A
DATE: 1919–1935
ARTIFACT NUMBER: 1997.1097.001

MANUFACTURER: Signal Electric Mfg. Co.
MODEL: R-69 Code Practice Set
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: Steel base; key is made of unidentified non-ferrous metal; brass terminals.

Dimensions

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

Length: 15.4 cm
Width: 11.5 cm
Height: 3.5 cm
Thickness: N/A
Weight: N/A
Diameter: N/A
Volume: N/A

Lexicon

Group: Communications
Category: Telegraphy
Sub-Category: N/A

Manufacturer

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

Context

Country: Unknown
State/Province: Unknown
Period: The Signal Electric Mfg. Co. is formed by reorganizing & renaming the Menomines Electric Co. in 1919; telegraph began to be replaced by telex communications in the 1930's.
Canada: Unknown
Function: Used to transmit telegraph communications signals long distance over a wire in Morse code.
Technical: Unknown
Area Notes: Unknown

Details

Markings: Lettering along top of plate reads: "INTERNATIONAL CODE"; lettering at bottom of plate reads: "SIGNAL ELECTRIC MFG. CO./MENOMINEE, MICH."
Missing: N/A
Finish: Maroon base; black painted key & coils; brass contacts; plate is brass with black border, lettering & tables.
Decoration: None.

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

Signal Electric Mfg. Co., Key, telegraph, between 1919–1935, Artifact no. 1997.1097, Ingenium – Canada’s Museums of Science and Innovation, http://collection.ingeniumcanada.org/en/id/1997.1097.001/

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