The inventor was as quick as he was.

In a moment they were aiming at each other.

A shout of alarm escaped the people around, and they scattered in all directions, fearful of being shot.

A deep silence ensued.

Then Frank said:

“You must submit!”

“Never!” determinedly replied Murdock.

“I am bound to take you.”

“Not while I can resist, sir.”

Without the least warning Murdock fired.