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Chapter V, paragraph 4: “I saw another at work to calcine ice into gunpowder; who likewise showed me a treatise he had written concerning the malleability of fire, which he intended to publish. . . .” Chapter V, paragraph 14: “Everyone knew how laborious the usual method is of attaining to arts and sciences; whereas, by his contrivance the most ignorant person, at a reasonable charge, and with a little bodily labor, may write books in philosophy, poetry, politics, law, mathematics, and theology, without the least assistance from genius or study. He then took me to the frame . . . .”

Which setting do the passages above indicate?
a library with many types of books
a classroom in a preschool
a place where books are burned
a place where experiments are performed