Clarence Young, The Motor Boys Under the Sea; or…
“ You cannot see the gun, but you will see what it does.”The boys, Professor Snodgrass, who had come into the main cabin, and Grace and her father looked on with interested and anxious eyes. The submarine was still shooting along under water, and the whale was keeping pace, every now and then drawing back as if for an attack.“Watch!” suddenly cried Dr. Klauss. He quickly glanced out at the whale, as if to judge of his aim, and then swung the pointer of the dial about. There was a slight click, and the whale seemed to disappear in a smother of red foam. ”
