The wires leading from the spark gap connect with this solution.
The spark gap should be about 1⁄32′′ and never less than 1⁄64′′.
The next element of importance in the transmitting arrangement is the spark gap.
Another coil is placed close to this and is connected with the spark gap, and a condenser.
This kind of a transmitter sets up sustained oscillations instead of periodic oscillations which are produced by a spark gap set.
One terminal of the spark gap, the positive terminal so called, is always brighter than the other.
Marconi was the first to connect an aerial to one side of a spark gap and a ground to the other side of it.
The fourth kinds of waves, which go out from the spark gap of our coil, are also waves in the ether.
When this spark occurs at least four kinds of waves pass out in all directions from the spark gap between the knobs.
A spark gap in a vacuum, connected with a free end of wire, gave a continuous discharge.
|spark gap |
A gap in an otherwise closed electric circuit across which a discharge occurs at a prescribed voltage. The discharge often causes ionization of the surrounding gas and thereby very high temperatures, and can be exploited, as in spark plugs, to ignite engine fuel in a combustion chamber.