×
Log in
Upload File
Most Popular
Art & Photos
Automotive
Business
Career
Design
Education
Hi-Tech
+ Browse for More
The top documents tagged [english patents thomas]
Documents
By: Laressa Harris. 1885 The English patents Thomas Edison obtained for his phonograph had now expired, leaving the opportunity open for world inventors
217 views
Documents
1878- Thomas Edison, succeeds in recovering “Mary had a little lamb” from a strip of tinfoil wrapped around a spinning cylinder. 1885- The English patents
216 views
Documents
Audio Timeline
15 views