Viollet-le-Duc, Eugène-Emmanuel, 1814-1879, Towle, George M. (George Makepeace), 1841-1893 · Boston : J.R. Osgood and Company · leaf 115
theground, you can, by placing the graphometer on that centre, 94 THE STORY OF A HOUSE. determine the lines which will regularly cut the circumfer-ence, and would indicate, for instance, the axis of the col-umns of pillars. (Fig. 20.) As you have from the point Ato the point B 180 degrees, you will… … In the same way that the graphometer serves for plant-ing a building, it serves to take the bearings of a ground.Suppose that the base E F is of a known length, which hasbeen measured; placing your instrument at E, you sightwith a glass a point c, whether it be a tree, a steeple, or apicket; you…
Architecture, Domestic · Building
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