926 English: Dipole antenna made of two 13 cm brass rods with spark gap between them. When high voltage from coil jumps the gap it creates a pulse of...
antenna consisting of two brass rods with spark gap between them 58 17 133 65 594 241 Battery box English Replica of Hertz's spark radio transmitter and...
English Diagram of Hertz's radio transmitter and receiver...
English Hertz's experiment showing polarization of radio waves...
At right is Hertz's receiver, consisting of a similar dipole and parabolic reflector attached to a micrometer spark gap. The transmitter and receiver are...
of radio waves. At left is Hertz's spark-gap transmitter consisting of a dipole antenna of two brass bars with a spark gap between them, powered by high...