... to have a go at addressing the problem. After spending a few moments confirming how the device was intende! d to work in the first place, he carefully reached in and manipulated a loose spring back to where it belonged. To everyone's amazement, the ticker began to run perfectly. The manager was so ecstatic, he hired Edison on the spot to make similar repairs in ... and development center in West Orange, N.J. Within a year, the operation grew to become the largest scientific testing laboratory in the world. In 1890, he immersed himself in developing the first silent motion pictures. And,...

• Word Count: 3349
• Approx Pages: 13
• Grade Level: Undergraduate