The illustrated architectural, engineering, & mechanical drawing-book : for the use of schools, students, and artisans ; upwards of 300 illustrations (1856)
Burn, Robert Scott · London : Ward and Lock, 158 Fleet Street · leaf 27
raw througli this a line parallel to ab : measure also to n, anddraw nn. From vi measure on both sides the distance ?» o ; m n also fromn to ti, n; these points are the centres of the circles shown in the sketch,. the method of putting in of ■which is still further elucidated by Example 02, Let the… … lines m, m; and parallel to same lines, lines s, s touching the circles. FromJ^e, ab, lay ofito nn lines equal to m; and from m, to ss equal to thedistance of the line m s from c d; join j^ s and the points corresponding.Example 3-). To draio the basement arch beloio the principal entrance toa…
Architectural drawing · Mechanical drawing
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