thomas edison

thomas edison   Dan thomas edison

Thomas Edison Thomas Alva Edison was a famous American inventor and businessman whose work played a key role in forming the basis for the technological and

NIHF Inductee Thomas Edison earned patents for many inventions Inventor, businessman, scientist, industrialist, entrepreneur, engineer—Thomas Alva Edison developed many of the technologies that have shaped

เอมิล สมิธ โรว์ 135 THOMAS EDISON , JR Edison National Historic Site 03 136 WILLIAM EDISON Edison National Historic Site 03 137 MARION EDISON Edison Since telegraphers not only sent and received messages but had to keep the equipment running, Edison learned a lot about practical electricity--