Relay

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Ingenium, 1969.0935.001
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OBJECT TYPE
POLAR/400 X 400 OHMS
DATE
1915–1924
ARTIFACT NUMBER
1969.0935.001
MANUFACTURER
Bunnell, J.H. & Co.
MODEL
STANDARD 554
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/ STEEL/ METAL/ MAGNETS/ EBONITE/ RUBBER/ WIRE.

Dimensions

Note: These reflect the general size for storage and are not necessarily representative of the object's true dimensions.

Length
22.5 cm
Width
12.5 cm
Height
13.5 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 THAT OPENS OR CLOSES AN AUXILIARY CIRCUIT UNDER PREDETERMINEDELECTRICAL CONDITIONS IN THE MAIN CIRCUIT. IT ENABLES A WEAK CURRENT TO BE STRONGER.
Technical
IMPROVED THE QUALITY & CAPACITY OF TELEGRAPH COMMUNICATION.
Area Notes
Unknown

Details

Markings
INCISED MANUFACTURER'S PLATE:`J.H. BUNNELL & CO. N.Y./ OHMS'
Missing
From CA of 08/06/1996 by Kevin Machan: Undetermined
Finish
VARNISHED BASE/ BLACK ENAMELLED SURBASE & BODY/ LACQUERED BRASS.
Decoration
ROUNDED WOOD CORNERS &EDGES/ GOLD PAINTED LINE ACCENTS ON SURBASE & EXTERIOR OF ROUNDED BODY SECTION WITH A STYLIZED TYPE OF LEAF DESIGN IN THE CENTRE.

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. 1969.0935, Ingenium – Canada’s Museums of Science and Innovation, http://collection.ingeniumcanada.org/en/id/1969.0935.001/

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