Galena crystal radioreceiver SITI-DOGLIO, type R.C. Year 1923.
Magnetic detector "MARCONI", year 1903.
This detector was conceived by Marconi in 1902 and used to receive radio
signal on board of the Royal Ship CARLO ALBERTO.
Radioreceiver RCA type RADIOLA 60. Year 1928.
Medium Wave, superetherodyne circuit, 9 tubes, grid supply.
Persisting Wave radiotransmitter, 2 tubes. Year 1918.
Was used by Franch Army during the 1st world war.
Galena crystal radioreceiver WESTERN ELECTRIC ITALIANA. Year 1921.