"What does that mean?" cried Mr. Pertell. "I didn't order two films made, and besides——"
"That isn't one of our men!" interrupted Russ, as he sprang away from his camera.
"Who is it?" Mr. Pertell wanted to know.
"It's one of our rivals. Someone from the International concern!" cried Russ. "They've followed us to steal some more of our ideas!"
"You're right!" shouted Mr. Pertell. "This will have to stop!"
Together he and Russ, followed by Paul, made a dash in the direction of the rival photographer. But the latter saw them coming, and hastily picking up his machine he ran toward a clump of woods not far off. And by the time his pursuers reached there he was not to be found, though they searched about for some time.
CHAPTER X
THE CYCLONE
"All aboard!" called the conductor of the way train that had been held up to allow the shooting of the oil well. "All board!"