G. Marconi ja Lee de Forest : [raadiotehnika arendajad]
source
Raadio
journal volume number month
10
year of publication
1927
pages
lk. 120-121 : portr
subject term
personaalia
notes
Allkiri : Dy
Marconi, Guglielmo, 1874-1937, temast
Dy
Forest, L. vt De Forest, Lee
De Forest, Lee, 1873-1961, temast
language
eesti