Model of Stair Cases.
(A) Properly constructed and painted wooden models showing various details.
(B) Dog-Legged stairs 32x30 cm. approx size.
(C) Open Well stairs 32x30 cm. approx size.
(D) Quarter Turn stairs 42x35 cm. approx. size.
(E) Bifurcated stairs 75x35 cm. approx size.
(F) Geometrical stairs 35x25 cm approx size