Relay
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1971.0472.001
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- OBJECT TYPE
- PONY/20 OHMS
- DATE
- 1915–1924
- ARTIFACT NUMBER
- 1971.0472.001
- MANUFACTURER
- Bunnell, J.H. & Co.
- MODEL
- NOVEL FORM
- 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/ CAST IRON SURBASE/ BRASS/ IRON ARMATURE/ METAL/ MAGNETS/ EBONITE/ CLOTH
Dimensions
Note: These reflect the general size for storage and are not necessarily representative of the object's true dimensions.
- Length
- 16.9 cm
- Width
- 9.1 cm
- Height
- 7.6 cm
- Thickness
- N/A
- Weight
- N/A
- Diameter
- N/A
- Volume
- N/A
Lexicon
- Group
- Communications
- Category
- Telegraphy
- Sub-Category
- N/A
Manufacturer
- AKA
- Bunnell
- 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 CURRENT TO BE STRONGER. - Technical
-
IMPROVED THE QUALITY AND CAPACITY OF TELEGRAPH COMMUNICATION - Area Notes
-
Unknown
Details
- Markings
- INCISED MANUFACTURER'S PLATE: '20/ J.H. BUNNELL & CO. N.Y./ OHMS'
- Missing
- TENSION SPRING From CA of 07/30/1996 by Kevin Machan: Yes - Missing spring, possibly others.
- Finish
- VARNISHED BASE/ BLACK ENAMELLED SURBASE & ARMATURE/ LACQUERED BRASS
- Decoration
- ROUNDED WOOD CORNERS
CITE THIS OBJECT
If you choose to share our information about this collection object, please cite:
Bunnell, J.H. & Co., Relay, circa 1915–1924, Artifact no. 1971.0472, Ingenium – Canada’s Museums of Science and Innovation, http://collection.ingenium.ca/en/id/1971.0472.001/
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