Key, telegraph
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1978.0493.001
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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://collections.ingeniumcanada.org/en/id/1978.0493.001/
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