Wait, I'll take a look. Say, it does seem as if everything was going wrong with this invention. But I'm on the right track, and soon I'll have it all right. Wait a second. I'll be right over."
Tom found that it was only a simple displacement of a wire that had given Ned a shock, and he soon had this remedied.
"Now we'll try again," he said. This time nothing wrong occurred, and soon Tom saw the clearest image he had yet observed on his telephone photo plate.
"Switch me on now, Ned," he called to his chum, and Ned reported that he could see Tom very plainly.
"So far—so good," observed Tom as he came from the booth. "But there are several things I want yet to do."
"Such as what?" questioned Ned.
"Well, I want to arrange to have two kinds of pictures come over the wire. I want it so that a person can go into a booth, call up a friend, and then switch on the picture plate, so he can see his friend as well as talk to him. I want this plate to be like a mirror, so that any number of images can be made to appear on it. In that way it can he used over and over again. In fact it will be exactly like a mirror, or a telescope. No matter how far two persons may be
