Box, variable resistance
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,
1967.0731.001
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
- STEP SWITCH/ADJUSTABLE
- DATE
- 1940
- ARTIFACT NUMBER
- 1967.0731.001
- MANUFACTURER
- Unknown
- MODEL
- Unknown
- LOCATION
- Unknown
More Information
General Information
- Serial #
- N/A
- Part Number
- 1
- Total Parts
- 1
- AKA
- N/A
- Patents
- N/A
- General Description
- WOODEN CASE/ BAKELITE TOP PLATE/ BRASS STEP SWITCHTERMINALS AND WIPERS/ BRASS CONTACT BARS AND BRIDGING PLUGS/ PERFORATED BRASS VENTILATION SCREENS, BOBBIN RESISTOR ELEMENTS AND MISC. INTERNAL WIRING/ SWITCH KNOBS, BAKELITE/ BRASS MOUNTING TABS
Dimensions
Note: These reflect the general size for storage and are not necessarily representative of the object's true dimensions.
- Length
- 17.5 cm
- Width
- 11.5 cm
- Height
- 10.0 cm
- Thickness
- N/A
- Weight
- N/A
- Diameter
- N/A
- Volume
- N/A
Lexicon
- Group
- Communications
- Category
- Telegraphy
- Sub-Category
- N/A
Manufacturer
- AKA
- Unknown
- Country
- Unknown
- State/Province
- Unknown
- City
- Unknown
Context
- Country
- Worldwide
- State/Province
- Unknown
- Period
- 1935-1945
- Canada
-
USED IN EARLY UK-CANADA SUBMARINE TELEGRAPH CIRCUITS - Function
-
PROBABLY USED AS AN ARTIFICIAL LINE ON A DIFFERENTIAL DUPLEX TELEGRAPH REPEATER ON SUBMARINE CABLE CIRCUIT. - Technical
-
Unknown - Area Notes
-
Unknown
Details
- Markings
- DECAL ON RIGHT FRONT SIDE: 'COTC T. 9289'/ BOTTOM: 'G.P.O.D.15./ 234./ D.'/ CALIBRATIONS AROUND DIALS
- Missing
- From CA of 09/03/1996 by Kevin Machan: Undetermined
- Finish
- CASE, DARK ORANGE BROWN STAIN AND VARNISH/ VENTILATION SCREEN, FLAT BLACK/ TOP PLATE, NATURAL BLACK BAKELITE/ KNOBS, BLACK BAKELITE
- Decoration
- N/A
CITE THIS OBJECT
If you choose to share our information about this collection object, please cite:
Unknown Manufacturer, Box, variable resistance, circa 1940, Artifact no. 1967.0731, Ingenium – Canada’s Museums of Science and Innovation, http://collection.ingeniumcanada.org/en/id/1967.0731.001/
FEEDBACK
Submit a question or comment about this artifact.
More Like This
1967.0731.001
