Relay, Wheatstone

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Ingenium, 1978.0374.001
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OBJECT TYPE
POLAR/FOUR WINDING/500+500 OHMS
DATE
1924
ARTIFACT NUMBER
1978.0374.001
MANUFACTURER
ELLIOTT BROS. LTD.
MODEL
Unknown
LOCATION
London, England

More Information


General Information

Serial #
5465
Part Number
1
Total Parts
1
AKA
N/A
Patents
N/A
General Description
WOOD BASE / BRASS CASING, INTERNALMECHANISM COMPONENTS, BINDING POSTS & ADJUSTMENT KNOB/ COPPER/ GLASS/ WIRE/ RUBBER/ PLASTIC

Dimensions

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

Length
N/A
Width
13.5 cm
Height
14.6 cm
Thickness
N/A
Weight
N/A
Diameter
N/A
Volume
N/A

Lexicon

Group
Communications
Category
Telegraphy
Sub-Category
N/A

Manufacturer

AKA
ELLIOTT
Country
England
State/Province
Unknown
City
London

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 LONG DISTANCE TELEGRAPH COMMUNICATION.
Area Notes
Unknown

Details

Markings
ON FACE OF MECHANISM:`ELLIOT BROTHERS/ (LONDON) LTD./ NO.5465', `500+500[OHMS]'/ `SPACING MARKING' WITH DIRECTION ARROWS OVER SIDE ADJUSTMENT KNOB/ BINDING POST MARKINGS ON BASE:`U/ T/ S/ D'. ALL MARKINGS ARE INCISED/ COTC LABEL `8978' AFFIXED TO SIDE.
Missing
`(D)', `(U)' & `M' BINDING POST MARKINGS/ 5 BINDING POSTS From CA of 08/12/1996 by Kevin Machan: Yes - Missing: two of the ivory inlaid letters.
Finish
VARNISHED WOOD BASE/ LAQUERED BRASS
Decoration
CIRCULAR BASE/ BEVELLED GLASS EDGE/ WHITE & BLACK POST MARKINGS,.

CITE THIS OBJECT

If you choose to share our information about this collection object, please cite:

ELLIOTT BROS. LTD., Relay, Wheatstone, circa 1924, Artifact no. 1978.0374, Ingenium – Canada’s Museums of Science and Innovation, http://collection.ingeniumcanada.org/en/id/1978.0374.001/

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