They had been in the employ of his father before him, and Frank would never have thought of going upon a trip without them.
Their services were invaluable. Barney being a first-class engineer and steel workman, and Pomp was a fine cook.
Passing through the yard which was filled with workmen, Frank led the way into a private office.
It was here that the plans of all his wonderful machines were draughted in secret.
Frank sat down at a table and threw Senor Ravello’s letter upon it.
“Pomp,” he said, tersely, “get me a map of Mexico.”
“A’right, sah.”
Wondering much what was coming, the darky quickly obeyed.
The map was spread upon the table.
Frank quickly placed his finger upon Laredo. Then he traversed the interior of Mexico to the Los Pueblos Mountains.