Show AN EXCELLENT CEMENT five years ago we applied ap pl ie d a cement composed c of white lead p pont pant tint whiting and dry white to a small tin fin roof like a seive it soon became bearly as hardas bardus atone stone has bas never scaled off and has kept the roof since then ihen perfectly tight il it was put oil on about the consistency of thin putty Slat siar slaters cement for stopping leaks around caim nessi is is composed of linseed oil whiting ground gliss and some brick dust it is a goo goc good cement for this purpose also for closing the joints eints of stone steps lo 10 bouses houses scientific american |