Show FIRE AND waterproof WATER PROOF preparations slake common stone lime in a close vessel and when cool pass eight duarts through a fine sieve add to it one quart of fine salt and two rons gallons pons of pure water boil and skim then to every four allons trillions ir of this mixture add one and a qi guarter quarter tarter pounds of rocky alum three fourths of a pound of coppe copperas ras rag hilf fiill a pound of potash and ind five quarts of fine beach sand this wash will now admit any coloring matter that may be desired and may be applied with a paint or whitewash brush in the same manner as a oil paints A writer write remarking on the good qualities ot of this preparation for roofs says it looks better than paint will stop leaks in the roof prevent moss gr growing browin owin and when laid upon brickwork brick work will render it impenetrable to 10 rain tain or moisture A wash of this kind might be beneficially applied to the roofs ot of houses ac instead ol 01 pa paint i ex |