The author permitted to see the grand academy of Lagado. The academy largely described. The arts wherein the professors employ themselves. This academy is not an entire single building, but a continua

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. There was a most ingenious arch

I went into another room, where the walls and ceiling were all hung round with cobwebs, except a narrow passage for the artist to go in and out. At my entrance, he called aloud to me, "not to disturb