TOM'S NEWEST INVENTION
73
time. Only to the Canadian border, and that's only a few hundred miles. But I want to see if I can shut the current off, and turn it on again. When a thing happens by accident you never know whether you can get just exactly the same conditions again."
Tom shut off the current from the dynamo, and the powerful beam of light died out. Then he turned it on once more, and it glowed as brightly as before. He did this several times, and each time it was a success.
"Hurrah!" cried Tom. "To-morrow I'll start on my latest invention, a great searchlight!"
