Then the light bulb Who invented the WATCH is, "Sir Joseph Swan (Sir Joseph Swan)" Surprisingly, yes, no, "Thomas Alva Edison (Thomas Alva Edison)" The popularity of Thomas Edison. came from Sir Joseph Swan did not develop devices with light bulbs. In those days, anyone who buys his electricity generators have to provide their own equipment, such as generators turn pot Thomas Edison developed the equipment. Applied to the lamp And was the first to patent the invention lamp. It is a great achievement of Thomas Edison.
การแปล กรุณารอสักครู่..
