Show cheap BuLl blinding cling material the dakill making 0 tf if houses chiefly from late waste as proposed by north wales builders la is an experiment of much interest the waste has been accumulating in quarries for three centuries and Js s adapted for use in paints putty loricks lb bricks ricks blocks slabs tiles flooring iv mortar rubber find and molded products product but hitherto the cost of manufactured seems to have kept it from competition n with other materials tried for roads road the slate bv ha proven too dirty in apt t weather it Is suggested as a promising binder in granite macadam and bricks made from it have been found very strong and as resistant to waitr absorption as other bricks good drain pipes have been made lade from slate dust dula for cement the ground waste ii 1 claimed to be e specially especially y good and near mar the quarries a a mastic of slate dust dua and oil has been used often for repairing ing leaky roots roofs th this mixture when it sets Is to be harder and morte durable than the natural u ral alato rolel |