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| The 10 inch coil as seen in the collection of the Hammond Radio Museum..The spark balls, spark ball rods, and posts are not original. |
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| 10 inch coil front view |
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| 10 inch coil nameplate. |
| All 10 inch coil photos in this table by Lewiis Bodkin |
Type: Spark gap transmitter
Power level:?
Note: ?
Wavelength: ?
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| The 10 inch coil as seen in the collection of the Hammond Radio Museum..The spark balls, spark ball rods, and posts are not original. |
|
| 10 inch coil front view |
|
| 10 inch coil nameplate. |
| All 10 inch coil photos in this table by Lewiis Bodkin |
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Figure 247 - Parts of the 10 inch coil explained. Click on image to enlarge (From The Handbook of Technical Instruction for Wireless Telegraphists 1925 edition) |
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| Simplified wiring diagram for the 10 inch coil. Click on image to enlarge. The American version of the 10 inch coil coil used three batteries of twelve cells to produce an output voltage of twenty four volts. (From The Handbook of Technical Instruction for Wireless Telegraphists 1925 edition). |
The 10 inch auxiliary coil set consisted of the components found on the following pages:
Credits and References:1) Steve Rosenfeld <oceangate(at)comcast.net>
2) Al Klase <ark(at)ar88.net>
3) Catalogue of Used Apparatus - Marconi Company of America.
4) Lewis Bodkin <05bodkin555(a)gmail.com>
Dec 13/20
