A treatise on handrailing : comprising three original systems of applying the trammel or string in drawing the face moulds of geometrical, elliptical, and spiral handrails ; also, an original system of applying the tips of the moulds to the edge of the plank: an original system of cylindrical sections: and original theory of resting points ; attended with an introductory course of geometry, ratios and proportions ... illustrated by twenty plates - Reynolds, L. E. (Louis Ethan) (American architectural books, 1849)