drous than any subtlety in the whole world; were it but discovered, they said, nothing would any longer be impossible. Now I, desirous to know what this was, stepped up to them and saw that they had between them a circle, and the question was how a square could be fashioned out of it. And when they had striven at this with inexpressible labour, they again stepped apart, advising one another to meditate further on the matter. Then, after a short while, one suddenly jumped up, crying: "I have; I have discovered the mystery; I have!" And they all crowded round him, hastening to see and to wonder. And he carried a large book in folio, which he showed them; and there were cries and exulting, such as is usual after a victory. But another man soon stopped these rejoicings. He cried out as largely as his voice did permit, that they should not allow themselves to be deceived, and that what was shown them was not a square. He then placed a yet larger book before them, turned all the supposed squares again into circles, and mightily strove to prove that it was impossible for any man to carry out what the other man had attempted. Then all hung down their heads, and returned to their lines and to their books.
(Among the Land Surveyors.)
11. We then come to another hall, where they sold fingers, spans, yards, fathoms, scales, measures, levers, cranes, vices, and other such instruments;
