Bottle of Magic traces the development of the electron tube from the pioneering efforts of such scientists as Lee de Forest, Thomas Edison, and John...
A travelogue to various parts of Brazil, the largest country in South America. Featured are the country's people, its industry and its customs. Also...
This film documents an entire expedition to the Gambia, from setting out in July 1948 to the return to the UK. Three geographers were responsible for...