one of the greatest inventors of all time no one like him... in history most people invent 1 or 2 things but Thomas Alva Edison is the biggest inventor because he invented more than 1000 products..(1038) so he is the real legend but
another important thing is that he is not very good in acadamics, he left school at the age 10 so he would do his research and studying all on his own, and mad inventions through his own ideas..
phonograph electricalvote recorder first electric generator paraffin paper electric pen carbon rheostat the electric chair and the light bulb ok people
The electric pen for mimeographs was showcased in 1876 by Thomas Edison, an important name in the invention of electricity. It was awkward at first use but improvements were later made on it.
the electric pen and the kinetograph and the kintoscope
No, Dr. E.A. Kennelly and Harold P. Brown invented the electric chair.
you need to take electric energy put in the pen then put water
When using an electric tester pen, it is important to follow safety precautions such as wearing insulated gloves, avoiding contact with water, ensuring the tester is properly calibrated, and always treating electricity with caution to prevent electric shock or injury.
devices for telegraph he made inprovments in tecnology he invented cuplox telegraph electric pen for telegraph inprovments in telephone tec
Magic.
New Jersey
In 1875
with a pen
Thomas Jefferson