THREE:The employment of pit-coal had not reached perfection, and in 1785 the Society of Arts offered a premium for the making of fine bar iron with pit-coal. This object was accomplished by Mr. Cort, an iron-founder of Gloucestershire, by exposing the pig iron on the hearth of a reverberatory furnace to the flame of pit-coal. This process was improved into what was called puddling, in puddling or reverberatory furnaces. Cort also introduced the drawing out of iron between cylindrical rollers; but he became ruined in his experiments, and other iron-masters of more capital came in to reap the profit. Many years passed before a pension was conferred on some of his children for his services. In 1755 the whole population of Carron was only one thousand eight hundred and sixty-four; in 1795 the workmen alone employed in the works were one thousand, the population four thousand, when the foundry had five blast furnaces, sixteen air furnaces, three cupola furnaces, and consumed one hundred and thirty-six tons of coals daily. It supplied to the Government eleven thousand tons annually of cannon, mortars, shot, shells, etc.; to the East India Company six thousand tons; and to all customers together twenty-six thousand tons. The growth of the iron trade in Great Britain, through these improvements, may be seen from the fact that in 1802 there were one hundred and sixty-eight blast furnaces, producing two hundred and twenty thousand tons of iron; in 1820 the annual production of iron was four hundred thousand tons; in 1845 the production was calculated at twice that amountthat is, in twenty-five years the production had doubled itself. In 1771 the use of wire ropes, instead of hempen ones, was suggested by M. Bougainville, and this was made a fact by Captain Brown, in 1811. Before this, in 1800, Mr. Mushet, of Glasgow, discovered the art of converting malleable iron, or iron ore, into cast steel; and in 1804 Samuel Lucas, of Sheffield, further extended the benefit by the discovery of a mode[198] of converting any castings from pig iron at once into malleable iron, or cast steel, so that knives, forks, snuffers, scythes, and all kinds of articles, were converted into steel, "without any alterative process whatever between the blast furnace and the melting-pot." In 1815 it was calculated that two hundred thousand persons were employed in manufacturing articles of iron, the annual value of which was ten million pounds.Sir Arthur determined to give Soult as sharp a chase as he had given Sir John Moore. He wrote to General Beresford to hold Villa Real, if possible, whilst he pressed on the heels of Soult. On the 16th of May he came up with Soult's rear, near Salamonde, defeated the rear-guard, killed and wounded a great number of men, and Sir Arthur wrote that, had they had half an hour's more daylight, he should have taken the whole of his rear-guard. He added: "I shall follow him to-morrow. He has lost everythingcannon, ammunition, baggage, military chestand his retreat is in every respect, even in weather, a pendant for the retreat to Corunna." In truth, had Sir John Moore sent a Nemesis to avenge himself, it could not have executed a more complete retribution. All the horrors of Sir John's retreat, and far worse, were repeated. The French had exasperated the population here, as everywhere, by their reckless cruelties and rapacity, and they surrounded the flying army, and killed every man that they could find straggling, or who was left exhausted on the road. On the other hand, the French tracked their retrograde path with equal fury. "Their route," says Sir Arthur, "could be traced by the smoke of the villages that they set on fire." Sir Arthur, in his dispatches, also says that, during their abode in Portugal, the French had murdered people merely because they did not like their seizure of their country; and that he saw men hanging on trees by the roadside, whom they had executed for no other reason. So the scene of Soult's retreat was now one long picture of Pandemoniumthe whole way strewn with dead men, horses, and mules; a wasted country, and an infuriated peasantry seeking to wreak their vengeance. Sir Arthur stopped his pursuit near the frontiers of Spain. He could not overtake Soult, who fled flinging away every impediment, whilst he was compelled to carry his supplies and artillery along with him. Besides, the French, since the defeat of the Spaniards at Tudela, had entered Andalusia in great force, where there was no army to oppose them except the ill-equipped one of the proud and unmanageable General Cuesta; and Marshal Victor, who commanded in Estremadura, might readily have made a descent on Lisbon, had Wellesley gone far into Spain. He therefore resolved to return to Oporto, to make necessary inquiries as to the roads into Spain; to improve his commissariat; and then, forming a junction with Cuesta, to[575] advance against Marshal Victor. Whilst at Oporto he had the satisfaction to learn that Frere was superseded by his own brother, Lord Wellesley, as ambassador for Spain, a circumstance of immense importance to the cause.
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