The first radiotelegraphic experiments in La Spezia on July 1897.
The transmitting station was located in the quarter of S. Bartolomeo (SP); the receiving station was on mobile ship, tug-boat N° 8 of the R. Italian Navy, as you can see on the official QSL card of the Group.
Spark Transmitter - Used by Guglielmo Marconi at S. Bartolomeo location ,
with Righi's oscillator, Ruhmkorff coil , Morse key and battery
(1897 - La Spezia SP - Italy)