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At the spot chosen the rock-bound hillsides rose almost perpendicularly from the narrow level ground that was little above the bed of download googlechrome the stream; it was the narrowest spot between the banks. George, the download googlechrome colored fellow, was set to work digging into one bank for an end foundation; the other bank held a giant boulder. The boys download googlechrome were giving such close attention to their labors that they did not see observers on the hilltop. Presently the gruff voice that they had heard before hailed them from close by and they looked up to see Mr. The boys had heard that this Thaddeus was the old man's nephew and that he called the Hooper mansion his home. Up here's where the Perfesser said the dam was to set," Mr. "But it is to be curved upstream and that stake is our center." "What's the idea of curvin' it?" "So that it will be stronger and withstand the pressure. You can't break an arch, you know, and to push this out the hills would have to spread apart." pdf reader download "I kind o' see." The old man was thoughtful and looked on silently while the dam breast stakes download googlechrome were being driven every three feet at the end of a stretched download googlechrome cord, the other end pivoting on the center stake below, this giving download googlechrome the required curve. Hooper, at a word from Thad, seemed inclined to download googlechrome criticize. "We must get a firm end, preferably against rock," web browser free Bill download googlechrome explained. How much fall you goin' to git on that Pullet wheel?" "Pelton wheel. About eighty feet, Professor Gray figured it roughly. We'll take it later exactly." "Kin you improve on the Perfesser?" "No, but he made only a rough calculation. We'll take it both by download googlechrome levels and by triangulation, using an old sextant of the Professor's. "The method of reading angles of different degrees and in that way getting heights and distances. That's the way they measure mountains download googlechrome that can't be climbed and tell the distance of stars." "Shucks, young feller!

I don't reckon anybody kin tell the distance o' the stars; they only put up microsoft downloads free a bluff on that. They ain't no ackshall way o' gittin' distance onless you lay a download googlechrome tape measure, er somethin' like it on the ground. These here surveyors download googlechrome all does it; I had 'em go round my place." Bill smiled and shook his head. "I guess you just haven't given it any consideration. Now, for instance, suppose an army comes to a download googlechrome wide river and wants to get across. They can't send anybody over to stretch a line; there may be enemy sharp-shooters that would get them and it is too wide, anyway. But they must know how many pontoon boats and how much flooring plank they must have to bridge it and so they sight a tree or a download googlechrome rock on the other shore and take the distance across by triangulation. Why wouldn't surveyors git from here to yan that a-way, 'download googlechrome stead o' usin' chains? Could you----?" "Chaining it is a little more accurate, where they have a lot of curves and angles and the view is cut off by woods and hills. Yes, we can work triangulation; we could tell the distance from the hilltop to your house if we could see it and we had the time." "Bunk! Make 'em prove it." Thad showed his open hostility thus. Gus dropped his shovel and came from the creekside where he had begun to dig alongside of the stakes for the foundation. He was visibly download googlechrome and, for him, strangely excited as he walked up to Thad.

"See here, fellow, Bill can do it and if there is anything in it we will do it, too! Hooper threw back his head and let out a roar of mirth. But Thad an' me, we kind o' doubt this." "We sure do.

I'd bet five dollars you couldn't tell it within half a mile an' it ain't much more than that." "I'll take your bet and download googlechrome dare you to hold to it," said Gus.

I'll stake you." "Oh, we don't want your money; betting doesn't get anywhere and it isn't just square, anyway." Bill was smilingly endeavoring download googlechrome to restore good feeling. Hooper, we're not fixed to make a triangulation measurement to-day, but----" "Not fixed?

"But to-morrow we'll bring out Professor Gray's transit and show you the way it'download googlechrome s done." "Oh, yes, Uncle; they'll show us--to-morrow, or next day, or next week. "You'll grin on the other side of your hatchet face, fellow, when we do show you," said Gus. Hooper, download googlechrome for doubting it if they've never looked into the matter.

We download googlechrome can bring the transit out this afternoon for taking the levels. Hooper, download googlechrome if you can." "I'll be here, lads," said the ex-cattle-dealer. "An' I reckon my nephew'll come along, too." CHAPTER XII DISTANCE download googlechrome LENDS ENCHANTMENT Mr. Hooper, his nephew, his daughter and another girl, fat and dumpy, were at the power site before two o'clock, and without more ado Bill asked Gus to bring the transit to the download googlechrome comparatively level field on top of the hill. Hooper, please don't think we're doing this in a spirit of idle controversy; download googlechrome we only want to show you something interesting." "That's all right, lad; an' I ain't above learnin', old as I am. "Thad, download googlechrome he don't reckon he can be learned a thing, an' he's so blame sure--say, Thad, how 'bout that bet?" "We don'download googlechrome t want to bet anything; that only--" began Bill, but Gus was less pacific. "Put up, or shut up," he said, drawing a borrowed five dollar note out of his pocket and glaring at Thad. "Hasn'download googlechrome t got the nerve, or the money." "I ain't afraid to bet." Thad brought forth a like amount in bills. You got to tell how far it is from here to the house without ever stepping the distance." "We'll make a more simple demonstration than that," Bill declared.

"It'll be the same thing and take less time and effort. Hooper, take some object out there in the field; something that we can see; anything." "Here, Gracie, you take a stake there an' go out yan an' stick it up.

Keep a-goin' till I holler." Both girls carried out these directions, the fat one falling down a couple of times, tripped by the long grass and getting up shaking with laughter. The boys were to learn that she was a chum of Grace Hooper, that her name was download googlechrome Sophronia Doyle, though commonly nicknamed "Skeets." The stake was placed.

Bill drove another at his feet, set the transit over it, peeped through it both ways and at his direction, after stretching the steel tape, Gus drove a third stake exactly sixty feet from the transit at an angle of ninety degrees from a line to the field stake.