will be a segment dam, with flood gates; about an eighth of a mile of
piping; a Pelton wheel, boxed in; a generator speeded down; a
two-horse-power storage battery; wiring and connections made with
present lighting system in house; lodge; stables and garage;--and the
thing is done if it works smoothly. The closest attention to every
detail, taking the utmost pains, will be necessary and I know you
will--"

"Just like Edison!" Bill fairly shouted, making Professor Gray and Gus
laugh heartily. The Professor said:

"Eight! And we shall hope to follow his illustrious example. Tomorrow it
is, then."

When the two chums, elated over their sudden advancement to be
professional engineers, came out on the street, they were not a little
surprised to see all the girls and boys of the class waiting, and
evidently for them, as they could but judge on hearing the words:

"Here they come! We'll get him started. Bill knows."




CHAPTER IX


GUS HOLDS FORTH AGAIN