Page:Theophrastus - History of Stones - Hill (1774).djvu/273

 CXIII. They ue this in Buildings, caing them with it, or putting it on any particular Place they would trengthen. They prepare it for Ue, by reducing it to Powder, and then pouring Water on it, and tirring and mixing the Matter well together with wooden Intruments: For they cannot do this with the Hand becaue of the Heat. They prepare it in this Manner immediately before the Time of uing it; for in a very little While after moitening, it dries and becomes hard, and not in a Condition to be ued.