Relay
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1970.0059.001
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- OBJECT TYPE
- BARCLAY BOX/150 OHMS/ADJUSTABLE
- DATE
- 1915–1924
- ARTIFACT NUMBER
- 1970.0059.001
- MANUFACTURER
- Bunnell, J.H. & Co.
- MODEL
- Unknown
- 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
- WOOD BASE/ IRON/ BRASS/ METAL/ MAGNETS/ RUBBER/ EBONITE KNOB/ WIRE.
Dimensions
Note: These reflect the general size for storage and are not necessarily representative of the object's true dimensions.
- Length
- 25.2 cm
- Width
- 12.0 cm
- Height
- 7.8 cm
- Thickness
- N/A
- Weight
- N/A
- Diameter
- N/A
- Volume
- N/A
Lexicon
- Group
- Communications
- Category
- Telegraphy
- Sub-Category
- N/A
Manufacturer
- AKA
- 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 PREDETERMINED ELECTRICAL CONDITIONS IN THE MAIN CIRCUIT. IT AMPLIFIES THE SIGNALS TO A GREATER DEGREE THAN RELAYS WITHOUT THE BOX. - Technical
-
IMPROVED THE QUALITY AND CAPACITY OF TELEGRAPH COMMUNICATION. - Area Notes
-
Unknown
Details
- Markings
- INCISED MANUFACTURER'S PLATE: '150/ J.H. BUNNELL & CO. N.Y./ 0HMS'/ INCISED ON KEY: 'BUNNELL/ S'.
- Missing
- KEY OPERATING DISC From CA of 07/29/1996 by Kevin Machan: Yes - Missing key pad; several hinge screws for case.
- Finish
- VARNISHED BASE/ AMPLIFICATION BOX PAINTED BLACK.
- Decoration
- BEVELLED BASE EDGES.
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. 1970.0059, Ingenium – Canada’s Museums of Science and Innovation, http://collection.ingenium.ca/en/id/1970.0059.001/
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