Then he switched on the electric current.
A broad shaft of light suddenly swept down upon the vessel, lighting her up as if by a big beam of sunlight.
It was a steamship.
A yell of surprise arose from her crew.
They were alarmed and amazed at the brilliant, dazzling glow suddenly shooting down upon them from the sky, and the most marvelous ideas of its origin entered their minds.
Frank leveled a glass at the craft.
“It is the Red Star!” he exclaimed. “I see the name on her bow!”
“Hurrah!” yelled the detective, delightedly. “Now we’ll get Murdock!” and down swooped the air engine toward the speeding steamer.
CHAPTER V.
FOUND AND LOST.
“Steamer ahoy!” shouted Frank.