...the charges are in motion along a conductor. When an insulator, such as sealing wax, is rubbed with fur, or a glass tube with silk, it acquires the property...attracting light bodies near it, and is said to be charyed. This action shows that forces exist in the adjacent space, and there is said to be an electrostatic,...

...the charges are in motion along a conductor. When an insulator, such as sealing wax, is rubbed with fur, or a glass tube with silk, it acquires the property...static field of force about the charged body. When two bodies are brought near together they may be either attracted or repelled, depending on the nature...

...is rubbed with fur, or a glass tube with silk, it acFIG. 1. Unlike bodies attract each other. quires the property of attracting light bodies near it, and...charged. ' ' This action shows that forces exist in adjacent space, and there is said to be an "electrostatic," or, to use another term, a "static field...