A practical treatise on handrailing : showing new and simple methods for finding the pitch of the plank, drawing the moulds, bevelling, jointing-up, and squaring the wreath (1890)
Collings, George · London : Crosby Lockwood and Son · leaf 143
107 THE WREATHED STRING. from springing to springing of the cylinder just taken by the slip of wood, as a b and c d on Fig. 18. The face of all the risers will be parallel, and the treads at right angles to these two lines. If, thereforCj the positions of the treads and risers are … carefully noted as they occur on the face of the string in the plan Fig. 9, their correct positions in the development on Fig. 18 will be easily deter- mined. Transfer these as required to Fig. 18 and also one or two flyers above and below as shown. Draw the lines e f and g h parallel to the…
Hand-railing · Stair building
Internet Archive · Getty Research Institute · Public domain (published before 1931). Free to use for anything.
