baser metals into gold, and stated that, in 1755, while on a visit to India, to consult the erudition of the Hindoo Brahmins, he solved, by their assistance, the problem of the artificial crystallization of pure carbon—or, in other words, the production of diamonds! One thing is certain, viz.: that upon a visit to the French ambassador to the Hague, in 1780, he, in the presence of that functionary, induced him to believe and testify that he broke to pieces, with a hammer, a superb diamond, of his own manufacture, the exact counterpart of another, of similar origin, which he had just sold for 5,500 louis d’or.
His career and transformations on the Continent were multiform. In 1762, he was mixed up with the dynastic conspiracies and changes at St. Petersburg; and his importance there was indicated ten years later, by the reception given to him at Vienna by the Russian Count Orloff, who accosted him joyously as “caro padre” (dear father,) and gave him twenty thousand golden Venetian sequins.
From Petersburg he went to Berlin, where he at once attracted the attention of Frederick the Great, who questioned Voltaire about him; the latter replying, as it is said, that he was a man who knew all things, and would live to the end of the world—a fair statement, in brief, of the position assumed by more than one of our ward politicians!
In 1774, he took up his abode at Schwabach, in Germany, under the name of Count Tzarogy, which is a transposition of Ragotzy, a well-known noble name. The Margrave of Anspach met him at the house of his
