Audsley, W. (William), 1833-1907, Audsley, George Ashdown, 1838-1925 · London ; Glasgow ; Edinburgh : William Mackenzie · leaf 508
e. Make of, o a, equal to o f,o A, in fig. 5, draw the perpendiculars f g, ad, and leaveoff the height of the cone on f g, four feet, and from thispoint draw a line to p; then where it cuts perpendicularfrom a in d, d will be the vertex; then draw tangentsa! from d to the curve—they will form slant…
Architecture, Domestic · Architecture, Gothic
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