Engineering professor Arturo Castellani , Ph D. was an Italian
inventor (see the patent of his cathodic tube
"Telepantoscopio", 1937). He was the project manager of SAFAR
company (Societe Anonima Fabbricazione Apparecchi Radio), Milan, Italy from 1929 to 1945. (Information courtesy of
Diego Verdegiglio and Gino Brizioli)
1936 model
1934 180 line model
RTD-20 (1939)
RTD-30 (1939)
RTD-40 (1939)
Experimental 1939 model
Courtesy of RAI Museum Turin
Above pictures courtesy of Gino Brizioi
Courtesy of Giacomo Pruzzo
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