Frank sat bolt upright.
As he did so, the biggest man in the party pulled a huge navy revolver from his belt, pointed it squarely at the inventor’s head, and cried in the Mexican language:
“Stop, or I’ll fire!”
Frank was a good linguist and understood him.
The action confirmed his suspicions of these individuals who had entered while all were sleeping.
In nowise frightened by the Mexican’s action or remark, the young inventor coolly replied in Spanish:
“What do you want?”
“First, I want to know what this contrivance is?”
“A flying machine,” answered Frank.
An incredulous roar of laughter greeted this explanation, all the strangers joining in.