about eleven in the morning
`` Doubtless , now , their intention is to serve you until they can escape ; then they plan to get back to the United States and furnish the testimony on which the American investors can sue you in the courts for the return of the purchase money on a charge of fraud . '' `` There , again , the Gringos can meet only defeat , '' chuckled Don Luis , his lips to his secretary 's ears . `` As soon as the sale is made I shall see to it that our pair of young American engineers are promptly done to death ! '' On the day announced , at about eleven in the morning , two automobiles reached Don Luis 's home . Besides the mine owner the cars contained nine other travelers , all Americans . These were the investors who were expected to buy _ El Sombrero _ at a price of two and a half million dollars . Over at the camp Tom and Harry saw the party arrive .