Page:Theophrastus - History of Stones - Hill (1774).djvu/279

 CXVIII. That its fiery Power is very great, is evident from this remarkable Intance: That a certain Ship which was laden with Cloaths, by ome Accident letting in Water; the Cloaths being wetted by that Means, the Gypum that was put among them took fire, and burnt both the Cloaths and the Ship.

CXIX. In Syria and Phœnicia they prepare a Gypum by Fire; putting into proper Furnaces Stones, principally of the Marble, and other Kinds, which are of the mot imple Texture, and heating them to a certain Degree; the harder Kinds they lay upon thoe which burn more readily; and when burnt,