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Amongst other notable residents who lived here were Isambard Brunel, the engineer; Bramah, of lock fame; Martin, the painter, who was visited by Prince Albert; and Whistler, the artist.
We now come to the practical production of compressed air. The first record that we have of the use of an air compressor is at Ramsgate Harbor, Kent, in the year 1788. Smeaton invented this "pump" for use in a diving apparatus. In 1851, William Cubitt, at Rochester Bridge, and a little later an engineer, Brunel, at Saltash, used compressed air for bridge work.
The abbe pushed them away, and arriving at the marquise, put his pistol to her heart; but Madame Brunel, the same who had previously given the marquise a box of orvietan, lifted up the barrel with her hand, so that the shot went off into the air, and the bullet instead of striking the marquise lodged in the cornice of the ceiling.
The Mont Cenis will carry itself, by its own cohesion, and a succession of invisible granite arches, rather larger than the tunnel. But when Mr. Brunel tunnelled the Thames bottom, he needed to build a brick arch to carry the six or seven feet of mud and the weight of water above. That is a type of all arches proper. § II. Now arches, in practice, partake of the nature of the two.
'Would you like to leave the pit-work, David, and go into the engineers' department? 'What! and become a great man like Stephenson and Brunel? Oh yes, sir! the boy joyfully exclaimed, for, like all youthful ambitions he vaulted at once to the highest pinnacle of greatness there is no midway for the ardent young. The manager smiled at his enthusiasm, as he replied,
It was one of the characteristics of Brunel to believe in the success of the schemes for which he was professionally engaged as engineer; and he proved this by investing his savings largely in the Great Western Railway, in the South Devon atmospheric line, and in the Great Eastern steamship, with what results are well known.
Maudslay's lifetime was the famous Shield employed by his friend Brunel in carrying forward the excavation of the Thames Tunnel. He also supplied the pumping-engines for the same great work, the completion of which he did not live to see.
Brunel for his share in the invention was only one year's savings, which, however, were estimated by Sir Samuel Bentham at 17,663L.; besides which a grant of 5000L. was afterwards made to Brunel when labouring under pecuniary difficulties. But the ANNUAL saving to the nation by the adoption of the block-making machinery was probably more than the entire sum paid to the engineer.
The lecturer proceeded to point out that the bed of the Thames had been tunnelled under by a monarch named Brunel, who is supposed by some authorities to have succeeded Alfred the Great. The open spaces of London, he went on to remark, must have been far from safe, as the bones of lions, tigers, and other extinct forms of carnivora had been discovered in the Regent's Park.
But the ideal ship from the point of bulkhead construction, he considers to have been the Great Eastern, constructed many years ago by the famous engineer Brunel. So thorough was her system of compartments divided and subdivided by many transverse and longitudinal bulkheads that when she tore a hole eighty feet long in her side by striking a rock, she reached port in safety.
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