His famous works is "electric bulb" by observing several times so that the bulbs have high thermal resistance, which are Incandescent Electric Lamp, called permanency through 45 watch.
Contribution to make him the most famous is the "light bulb" by experiment many times to make the bulbs are resistant to heat. Called the Incandescent Electric Lamp is durable up to 45 hours.
The work he is the most famous "bulb" by the experiment many times to ให้หลอดไฟ are resistant to heat, which is named. Incandescent Electric Lamp durability to 45 visit.