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164 Tut. The seed yields oil, and the finest of our linen is made from the rind of thè stalk : and ilıis, afler it has been much worn, is used for making fine paper. Pap. Make paper of rags Iłow can that be done? Tut. When ground small, they make of it a pulp or paste with water and size, and pour it into flat moulds, from which we receive one of the most useful articles of business, The coarser paper is made of coarser rags. Pup. What use is made of heump ? Tut. Of this they make the coarsest kinds of cloth for sails, sacks, &c. And of this are made our ropes and cables for ships. Thus you perceive that the whole world is a grand magazine, containing inexhaustible # reasures I) IALOGUE XIII. (If Minerals. Tut. Let us now turn our attention to Mineralogy, the last part of natural history. Pup. Is ji also dividel, iike the animals amd plants, into classes, &c. * 1. . . - Tut. - Yes: it is divided into four classes, stones, salts, combustibles, and metals; and these are subdivided intoorders, genera, and species. Pup. How many orders of stones aré there ? Tut. There are two: 1st, Earthy, and 2nd, Saline. ' Pup. Are ali ihe carthystones oföne quality?