. An encyclopædia of gardening; . -surveyors, are occasionally resorted to in laying outgardens, especially in the geometric style, and in preparingthe foundations of farmeries, and otlier rural offices andappendages. A very obvious application of it is that* ofreducing an irregular basin of water to a ciicular director moves round with the adjusted triangle(Jig. 367. a); his assistant sets off the dimensions and as eachpoint in the circumference is ascertained, it is marked by astake (b, c, rf). 1931. A level line (,/), whether straight orcurved in direction, can only be de
. An encyclopædia of gardening; . -surveyors, are occasionally resorted to in laying outgardens, especially in the geometric style, and in preparingthe foundations of farmeries, and otlier rural offices andappendages. A very obvious application of it is that* ofreducing an irregular basin of water to a ciicular director moves round with the adjusted triangle(Jig. 367. a); his assistant sets off the dimensions and as eachpoint in the circumference is ascertained, it is marked by astake (b, c, rf). 1931. A level line (,/), whether straight orcurved in direction, can only be determined on an irregu-lar surface by measuring down from an elevated level line (a), or from level lines inparallel directions, and so transferring the points by horizontal levels to tlie proper rods are the ready means of measuring down, and the points must be markedby hillocks or hollows [b); or by smooth-headed stakes driven into the surface, and pro-truding above, or sunk under it, according to the 368
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Keywords: ., bookcentury1800, bookdecade18, booksubjectgardening, bookyear1826
