TY JOUR TI Robert Millikan and His Role in the Birth of Modern Radio Tubes KW electron KW electron charge KW Harold Wilson KW Robert Millikan KW Louis Begeman KW Harvey Fletcher KW Harold de Forest Arnold JO Infocommunications and Radio Technologies AU Pestrikov, V.M. PY 2022 IS 5 PB Federal State Educational Institution of Higher Education Sevastopol State University