Relay, Wheatstone
Use this image
Can I reuse this image without permission? Yes
Object images on the Ingenium Collection’s portal have the following Creative Commons license:
Copyright Ingenium / CC BY-NC-ND (Attribution-NonCommercial 4.0 International (CC BY-NC 4.0)
ATTRIBUTE THIS IMAGE
Ingenium,
1978.0373.001
Permalink:
Ingenium is releasing this image under the Creative Commons licensing framework, and encourages downloading and reuse for non-commercial purposes. Please acknowledge Ingenium and cite the artifact number.
DOWNLOAD IMAGEPURCHASE THIS IMAGE
This image is free for non-commercial use.
For commercial use, please consult our Reproduction Fees and contact us to purchase the image.
- OBJECT TYPE
- POLAR/FOUR WINDING/500+500 OHMS
- DATE
- 1924
- ARTIFACT NUMBER
- 1978.0373.001
- MANUFACTURER
- ELLIOTT BROS. LTD.
- MODEL
- Unknown
- LOCATION
- London, England
More Information
General Information
- Serial #
- 5466
- Part Number
- 1
- Total Parts
- 1
- AKA
- N/A
- Patents
- N/A
- General Description
- WOOD BASE/ BRASS CASING, INTERNAL MECHANISM 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
- 14.0 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 QUALITY & CAPACITY OF LONG DISTANCE TELEGRAPH COMMUNICATION. - Area Notes
-
Unknown
Details
- Markings
- ON FACE OF MECHANISM: 'ELLIOTT BROTHERS/ (LONDON) LTD./ NO. 5466', '500+500[OHMS]'/ 'SPACING MARKING' WITH DIRECTION ARROW OVER SIDE ADJUSTMENT KNOB/ BINDING POST MARKINGS ON BASE:`(U)/ T/ S/ D/ (D)'. ALL MARKINGS ARE INCISED/ COTC LABEL `8977' AFFIXED TO SIDE.
- Missing
- `(U) & (D)' BINDING POST MARKINGS. From CA of 08/09/1996 by Kevin Machan: Yes - Missing: one fastening screw for bottom cover; two inlaid letters.
- Finish
- SHELLACKED BASE/ LACQUERED 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. 1978.0373, Ingenium – Canada’s Museums of Science and Innovation, http://collections.ingeniumcanada.org/en/id/1978.0373.001/
FEEDBACK
Submit a question or comment about this artifact.
More Like This
1978.0373.001
