the plans before them, they went over the ground chosen for the water-power site, comprehending every detail of the engineering task. Professor Gra

he sketched his idea of making a water-tight flood gate which was so i

gruff voice hailed them from the hilltop. Looking up they saw another group of three: an oldish man, a slim young fellow who was almost a grown man and a girl in her middle teens. The young people seemed to be qu

nags yit? Some job! I reckon you're not a goin' to make a heap ou

lans to-day and these young assistants of mine, who will prin

ne right; no bunglin'. What's kids know about puttin'

ll that is needed to make this job complete. Moreover, I am going to consult with the

ood blinking his eyes at Bill and Gus and pondering. The slim

Sowerby's maltese cat, asleep on the pavement, out of his way, and Gus, a witness from across the street, had departed from his usually retic

voiced a further and evide

ain't they? Nothin' but a lot o' h

oung scamps in Fairview, but these boys, William Brown and Augustus Grier,

d joyfully greeted the Professor and the boys, yodeling a school yell from the hillside. Then she shot an aside at the

satisfied 'bout them knowin' how, but go to it your own way, Professor. I'm a goin' to watch it, you know; not to inte

f Mr. Hooper and the daughter, and retreated with the boys as hurriedly as Bill could manage his handy crutch

d fellow'll make

re satisfactory if Mr. Hooper could be assured at once of your real ability, b

n frame up something t

pring it,"

can you imagine?" q

stunt, maybe; tr

it!" exploded Bill. "I

it'll be easy! Jus

y, laughing. "But, boys, keep in mind that Mr. Hooper, while a rough-and-ready old chap, with a big fo