Mechanical exercises, or, The elements and practice of carpentry, joinery, bricklaying, masonry, slating, plastering, painting, smithing, and turning (1812)
Nicholson, Peter, 1765-1844 · London: J. Taylor · leaf 61
_/:„r„/,j„7i,7:7iWier/J£,nA ■taiv.iv^n:\>r-S^7,mUo,-n. PRACTICAL GEOMETRY. 19 Practical ProUems performed on the Ground pROB. I. To erect a perpendicular from a given point C to a right line A B, hy means of a Tape or String. Pl. 5. Fig. I. Take two equal distances C A and C B, ex-tend the tape…
