Thomas Edison - Visionaries on Innovation

อยากทราบเกี่ยวกับบทบาทของ Thomas Edison และ Nikola Tesla ว่า thomas edison Since telegraphers not only sent and received messages but had to keep the equipment running, Edison learned a lot about practical electricity-- thomas edison Thomas Alva Edison was an American inventor and businessman He developed many devices in fields such as electric

thomas edison ผลงาน Since telegraphers not only sent and received messages but had to keep the equipment running, Edison learned a lot about practical electricity--