l 3 feet and a half, that is, from aquarter scale, divided into ten equal parts, it willbe 3 feet and five tenths, or three feet 6 inches;draw F G parallel and equal to B H, join h g, andE F G H is a vertical plane, perpendicular to thehorizontal plane A b c d. To construct three Planes, one… … of A E, draw e h perpendicular to A b, and equal 3feet 6 inches; draw fg parallel and equal to eh;join hg, and efg h is the vertical plane. The section or bottom edge b c of the inclinedplane B c g h might have various positions in theplane a B c d, as well as in b c; join b h and c g,and s c g h…
Design · Decoration and ornament · Art
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