Fred T. Hodgson · Frederick J. Drake and Co. · leaf 398
but is also more difficult to make good. 394 CEMENTS AND CONCRETES Illustration No. 21 shows the mould and joint andscrews for fixing same. Framing Staircases.—The wood framing for con-crete stairs differs from and is partly the reverse tothat used for wood stairs. The nosings are formed thereverse… … Jointed Nosing MoutDwith Kjser Boaku. NO. 21. landings are set out on the walls, strong planks arefixed on edges so as to give fixing joints for the car-riage and outer strings. The strings are then fixedto act as guides for fixing the centring, risers and nos-ing moulds, Where practicable, the…
