A Conversation for The Early History and Development of Film


Post 1


And then talkies were made practical by means of keeping a motion picture film record (the sound track) of the optical display produced by Alexander Graham Bell's photophone, which transmitted sound over a beam of light.

A case of the steam engine effect in action again, combination of two pre-existing technologies producing something new.


Post 2


Yes, the next big step which again had several people taking numerous small ones in between.smiley - smiley


Key: Complain about this post


More Conversations for The Early History and Development of Film

Write an Entry

"The Hitchhiker's Guide to the Galaxy is a wholly remarkable book. It has been compiled and recompiled many times and under many different editorships. It contains contributions from countless numbers of travellers and researchers."

Write an entry
Read more