And after his initial work, Edison just sat on it for about 10 years until a com...

ghaff on May 23, 2017 | parent | context | favorite | on: At The Dawn Of Recorded Sound, No One Cared

And after his initial work, Edison just sat on it for about 10 years until a competitor started to come along. At which point, he did some more work to make his own product marketable.