Key, telegraph
Use this image
Can I reuse this image without permission? Yes
Object images on the Ingenium Collection’s portal have the following Creative Commons license:
Copyright Ingenium / CC BY-NC-ND (Attribution-NonCommercial 4.0 International (CC BY-NC 4.0)
ATTRIBUTE THIS IMAGE
Ingenium,
1978.0498.001
Permalink:
Ingenium is releasing this image under the Creative Commons licensing framework, and encourages downloading and reuse for non-commercial purposes. Please acknowledge Ingenium and cite the artifact number.
DOWNLOAD IMAGEPURCHASE THIS IMAGE
This image is free for non-commercial use.
For commercial use, please consult our Reproduction Fees and contact us to purchase the image.
- OBJECT TYPE
- WIRELESS/SINGLE CURRENT/LEGLESS
- DATE
- 1920
- ARTIFACT NUMBER
- 1978.0498.001
- 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 CONSTRUCTION/ EBONITE OPERATING DISC/ MICA INSULATION.
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
- 5.7 cm
- Height
- 3.8 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
- Canada
- State/Province
- Unknown
- Period
- CIRCA 1920 TO 1945
- Canada
-
Unknown - Function
-
A DEVICE FOR OPENING OR CLOSING AN ELECTRIC CIRCUIT TO TRANSMIT MESSAGES. - Technical
-
Unknown - Area Notes
-
Unknown
Details
- Markings
- ON BASE BACK: 'SIGNAL ELECTRIC MFG. CO./ MENOMINEE, MICH.' INCISED.
- Missing
- SECTION OF LEFT BINDING POST From CA of 09/17/1996 by Kevin Machan: No - Complete
- Finish
- Unknown
- 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, circa 1920, Artifact no. 1978.0498, Ingenium – Canada’s Museums of Science and Innovation, http://collection.ingeniumcanada.org/en/id/1978.0498.001/
FEEDBACK
Submit a question or comment about this artifact.
More Like This
1978.0498.001
