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."
... gyroscope is supported and amplified by wrist motion.
It takes a while until one finds the "rolling" point, but the gyro will also be accelerated to a smaller extent by ...