Coil, spark
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1993.0136.001
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- OBJECT TYPE
- WIRELESS/AUTOMOBILE
- DATE
- 1921
- ARTIFACT NUMBER
- 1993.0136.001
- MANUFACTURER
- DUPLEX COIL
- MODEL
- Unknown
- LOCATION
- United States of America
More Information
General Information
- Serial #
- 23166
- Part Number
- 1
- Total Parts
- 1
- AKA
- N/A
- Patents
- N/A
- General Description
- WOOD/ METAL/ SYNTHETIC
Dimensions
Note: These reflect the general size for storage and are not necessarily representative of the object's true dimensions.
- Length
- 11.0 cm
- Width
- 10.5 cm
- Height
- 21.5 cm
- Thickness
- N/A
- Weight
- N/A
- Diameter
- N/A
- Volume
- N/A
Lexicon
- Group
- Communications
- Category
- Telegraphy
- Sub-Category
- N/A
Manufacturer
- AKA
- DUPLEX
- Country
- United States of America
- State/Province
- Unknown
- City
- Unknown
Context
- Country
- Unknown
- State/Province
- Unknown
- Period
- Unknown
- Canada
-
PROBABLY USED IN CANADA - Function
-
USED TO GENERATE SPARKS IN EARLY, LOW POWER WIRELESS TRANSMITTERS - Technical
-
TYPE SAMPLE OF SPARK COILS USED FOR LOW POWER WIRELESS TRANSMITTERS TO SEND CODED SIGNALS - Area Notes
-
Unknown
Details
- Markings
- MFR'S PLATES: 'THE/ Duplex Coil/ PAT. JUNE 27, 1905.'/ 'Duplex/ 1B 2B'/ STAMPED IN BACK: '23166'
- Missing
- From CA of 11/29/1996 by Kevin Machan: Undetermined
- Finish
- WOOD CABINET STAINED & VARNISHED/ SOME METAL PARTS PAINTED BLACK/ MFG PLATES BLACK WITH GOLD TRIM
- Decoration
- N/A
CITE THIS OBJECT
If you choose to share our information about this collection object, please cite:
DUPLEX COIL, Coil, spark, circa 1921, Artifact no. 1993.0136, Ingenium – Canada’s Museums of Science and Innovation, http://collections.ingeniumcanada.org/en/id/1993.0136.001/
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