Relay
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1971.0475.001
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- OBJECT TYPE
- PONY/SINGLE CONCENTRIC MAGNET
- DATE
- 1915
- ARTIFACT NUMBER
- 1971.0475.001
- MANUFACTURER
- Cardwell, Allen D.
- MODEL
- 4-A
- LOCATION
- New York, New York, 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
- MAHOGANY BASE/ BRASS/ METAL/ MAGNET/ MICA INSULATION/ RUBBER
Dimensions
Note: These reflect the general size for storage and are not necessarily representative of the object's true dimensions.
- Length
- 14.1 cm
- Width
- 5.1 cm
- Height
- 6.3 cm
- Thickness
- N/A
- Weight
- N/A
- Diameter
- N/A
- Volume
- N/A
Lexicon
- Group
- Communications
- Category
- Telegraphy
- Sub-Category
- N/A
Manufacturer
- AKA
- Cardwell
- Country
- United States of America
- State/Province
- New York
- City
- New York
Context
- Country
- Unknown
- State/Province
- Unknown
- Period
- Unknown
- Canada
-
Unknown - Function
-
A DEVICE WHICH OPENS OR CLOSES AN AUXILIARY CIRCUIT UNDER PRE- DETERMINED ELECTRICAL CONDITIONS IN THE MAIN CIRCUIT. IT ENABLES A WEAK CURRENTTO BE STRONGER. - Technical
-
IMPROVED THE QUALITY & CAPACITY OF TELEGRAPH COMMUNICATION - Area Notes
-
Unknown
Details
- Markings
- INCISED IN BASE: 'W.U.T. CO./ MFD BY ALLEN D.CARDWELL N.Y./ SIGNAL RELAY 4-A'/ WRITTEN IN PENCIL ON BOTTOM: 'LINE 2'.
- Missing
- From CA of 07/29/1996 by Kevin Machan: Undetermined
- Finish
- VARNISHED BASE/ MAGNET BRACKET & ARMATURE ENAMELLED BLACK
- Decoration
- ROUNDED BASE CORNERS/ SILVER LETTERING
CITE THIS OBJECT
If you choose to share our information about this collection object, please cite:
Cardwell, Allen D., Relay, circa 1915, Artifact no. 1971.0475, Ingenium – Canada’s Museums of Science and Innovation, http://collection.ingeniumcanada.org/en/id/1971.0475.001/
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