1837. 2 vols. 8vo., the first of 593 pages, the second of 616. Price 36 fr.
I give three examples of magical squares:—
| 2 | 7 | 6 |
| 9 | 5 | 1 |
| 4 | 3 | 8 |
These nine ciphers are disposed in three horizontal lines; add the three ciphers of each line, and the sum is 15; add the three ciphers in each column, the sum is 15; add the three ciphers forming diagonals, and the sum is 15.
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But the connexion of certain numbers with the dogmas of religion was sufficient, besides their marvellous properties, to make superstition attach itself to them. Because there were thirteen at the table when the Last Supper was celebrated, and one of the number betrayed his Master, and then hung himself, it is looked upon through Christendom as unlucky to sit down thirteen at table, the consequence being that one of the number will
