Relay

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Ingenium, 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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