The carpenter's new guide: being a complete book of lines for carpentry and joinery (1848)
Nicholson, Peter, 1765-1844. [from old catalog], Johnston, William, architect. [from old catalog] · Philadelphia, Grigg, Elliot and co. · leaf 14
ree sides are equal, as M. 24. An isosceles triangle has only two sides equal, as N. 25. A scalene triangle has all sides unequal, as O. 26. A right-angled triangle has one right angle, as P. 27. Other triangles are obliqueangled, and are either obtuse or acute. 28. An acute-angled triangle has all…
Carpentry
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