The book of telecommunications : telegraph, telephone, radio in the past, present and future /
Vries, Leonard de
The book of telecommunications : telegraph, telephone, radio in the past, present and future / Leonard de Vries, translated by Karla Oosterveen, illustrated by Gerard van Straaten. - London : John Murray, 1962. - 132 p. : ill.
Translation of "Telecommunicatie"
Telephone--history.
Telegraph--history.
Radio--history.
The book of telecommunications : telegraph, telephone, radio in the past, present and future / Leonard de Vries, translated by Karla Oosterveen, illustrated by Gerard van Straaten. - London : John Murray, 1962. - 132 p. : ill.
Translation of "Telecommunicatie"
Telephone--history.
Telegraph--history.
Radio--history.