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Finally, it was the great naturalist who had lent the aid of his powerful influence with Frederick William IV to the enterprise supported by Bunsen of an expedition to Egypt under the direction of Lepsius.
She sang the ballad, "Old folks at home," giving one verse in the soprano, and another in the tenor voice. As she stood partially concealed by the piano Chevalier Bunsen thought that the tenor part was performed by one of the gentlemen. He was perfectly astonished when he discovered that it was by her. This was rapturously encored.
"Here he is now!" Bunsen exclaimed as Simpson approached. "I was just getting anxious about you. Stopped at the hotel you hadn't been there, they said. Port au Prince is a bad place to get lost in. Oh this gentleman is our consul. Mr. Witherbee Mr. Simpson." Simpson shook hands. Witherbee's face was just a pair of dull eyes behind a ragged moustache, but there was unusual vigour in his grip.
The gas flame, burnt in a Bunsen arrangement, enters the smallest end of the lowest cylinder and passes through it; then returns through the series and the ore is reduced by the expulsion of its sulphur, arsenic, etc., as it descends from the top to the bottom.
But some of the old friends of the family felt and expressed consternation. In particular, Baron Bunsen, then Prussian Ambassador to England, Arnold of Rugby's dear and faithful friend, wrote a letter of earnest and affectionate remonstrance to the would-be colonist.
Resigning this occupation, of which he had become tired, he travelled in Italy, and in the beginning of 1806 reached Rome, where he enjoyed the friendship of Tieck, Humboldt, and Bunsen.
In 1841 he sent Bunsen to England to negotiate the ill-considered and precipitate arrangement for the Jerusalem bishopric; and on the successful conclusion of the negotiation, Bunsen was appointed permanently to be Prussian Minister in London. The manner of appointment was remarkable. The King sent three names to Lord Aberdeen and the English Court, and they selected Bunsen's.
Wollaston gave me the little prism, which is doubly valuable, being of glass manufactured at Munich by Fraunhofer, whose table of dark lines has now become the standard of comparison in that marvellous science, the work of many illustrious men, brought to perfection by Bunsen and Kirchhoff.
Eminent men of all shades of opinion made his acquaintance; he was a frequent guest of the genial Maecenas, an admirer of genius though no mere worshipper of success, R. Monckton Milnes; meeting Hallam, Bunsen, Pusey, etc., at his house in London, and afterwards visiting him at Fryston Hall in Yorkshire.
The outer zone of a luminous flame is not the zone of complete combustion; it is a zone in which luminosity is destroyed in exactly the same way that it is destroyed in the Bunsen burner; that is the air penetrating the flame so dilutes and cools down the outer layer of incandescent gas that it is rendered non-luminous, while some of the gas sinks below the point at which it is capable of burning, with the result that considerable quantities of the products of incomplete combustion carbon monoxide and acetylene escape into the air, and render it actively injurious.
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