For a Hen-Roost,
nail a narrow strip of wood, with its flat side upon the thin edge of another similar strip. The end will then look like a T, Fig. 38.
Round off the edges of the perch with a plane or knife until it is of the form of the right-hand diagram.
Fig. 37 shows a roost of this kind. Fig. 36 shows the adjustable side-rail, with slots for the perch to fit, and Fig. 39 shows a cleat to nail against the wall for the other end of the roost. As may be seen, the perch will fit in the slot in the cleat.