Alexander Graham Bell Biography
1:38:04
The Story of Alexander Graham Bell (1939)
28:26
„Panie Watson, proszę przyjść, potrzebuję pana”. Aleksander Bell i jego wynalazek
56:55
Transistor Full Documentary
1:29:14
David Lloyd George: A biography
5:31
Alan Turing: The Genius Who Outsmarted Hitler and Invented Modern Computing
10:03
The First Telephone
1:19:35
Alexander Graham Bell Kimdir?
39:02