Variable antenna coupling device
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1968.0625.001
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- OBJECT TYPE
- N/A
- DATE
- 1909
- ARTIFACT NUMBER
- 1968.0625.001
- MANUFACTURER
- Clapp Eastham Co.
- MODEL
- Unknown
- LOCATION
- United States of America
More Information
General Information
- Serial #
- N/A
- Part Number
- 1
- Total Parts
- 1
- AKA
- varicoupler
- Patents
- N/A
- General Description
- WOOD BASE/ COPPER CORNER PROTECTION/ BAKELITE FRONT PLATE WITH COPPER SWITCH CONTACT STUDS/ BAKELITE COIL MOUNTS/ BAKELITE WITH BRASS CONTACT STUDS, INNER SWITCH, THREE KNOBS MOUNTED ON A SINGLE SHAFT, THUMB SCREW TERMINALS, COPPER INSULATED COIL WINDINGS AND CONNECTIONS
Dimensions
Note: These reflect the general size for storage and are not necessarily representative of the object's true dimensions.
- Length
- N/A
- Width
- N/A
- Height
- N/A
- Thickness
- N/A
- Weight
- N/A
- Diameter
- N/A
- Volume
- N/A
Lexicon
- Group
- Communications
- Category
- Radio
- Sub-Category
- N/A
Manufacturer
- AKA
- Clapp Eastham
- Country
- United States of America
- State/Province
- Unknown
- City
- Unknown
Context
- Country
- North America
- State/Province
- Unknown
- Period
- 1909-1920
- Canada
-
Unknown - Function
-
USED AS A MULTI FUNCTION TUNING AND COUPLING DEVICE. PART OF A RADIO RECEIVER. - Technical
-
AN EARLY EXAMPLE OF EARLY RADIO TUNING AND SENSITIVITY CONTROL METHODS - Area Notes
-
Unknown
Details
- Markings
- '43' ON BOTTOM OF BASE
- Missing
- N/A
- Finish
- BASE, MAHOGANY FINISH, BRASS CORNERS/ NATURAL BAKELITE, NATURAL BRASS HARDWARE
- Decoration
- N/A
CITE THIS OBJECT
If you choose to share our information about this collection object, please cite:
Clapp Eastham Co., Variable antenna coupling device, circa 1909, Artifact no. 1968.0625, Ingenium – Canada’s Museums of Science and Innovation, http://collection.ingeniumcanada.org/en/id/1968.0625.001/
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