1893 - Thomas Edison received two U.S. patents. The first was for a "Cut Out for Incandescent Electric Lamps" and another for a "Stop Device" (No. 491,992-3). Also No. 492,150 for "Process of Coating Conductors for Incandescent Lamps."
... of different resistance groups. Many groups were not enthusiastic at first.
When Germans initiated a forced labor draft in France in the beginning of 1943, thousands of ...