THREE:The introduction of the steam-engine, railroads, and canals enabled the coal-miners during this reign to extend the supply of coals enormously. In 1792 the coal-mines of Durham and Northumberland alone maintained twenty-six thousand two hundred and fifty persons, and employed a capital of three million one hundred and thirty thousand poundsa very small amount of both people and money as compared with the workers and capital engaged in the trade since the expansion of the manufacturing and steam systems. The coal-fields of Durham and Northumberland extend to nearly eight hundred square miles, but the beds in Northumberland, Durham, Yorkshire, the Midland Counties, South of Scotland, and Ireland, are still immense and not yet fully explored. Fresh strata are discovered as steam power enables us to go deeper. In 1817 Sir Humphry Davy perfected his safety-lamp, which, by means of a simple wire gauze, enabled the miner to work amid the most explosive gases. These lamps, however, were not able to protect the colliers from their own carelessness, and most horrible destruction, from time to time, took place amongst them from neglect.The English lay all night on their arms, and, as day dawned, began to entrench their position. If ever a general needed to push on his advantage it was now. Every day was consuming Burgoyne's stores; every day was augmenting the forces of the enemy. The country was closed to Burgoyne; it was open with all its resources to the Americans. Yet he lay there, as if paralysed, from the 20th of September to the 7th of October. The reason of this fatal delay is said to have been that Burgoyne had received a letter from General Sir Henry Clinton at New York, informing him that he must expect no co-operation from General Howe, but that he himself would take the responsibility of making a diversion in his favour by attacking the Forts Montgomery and Clinton, on the lower part of the Hudson. Burgoyne, on receiving this intelligence, sent Clinton word that he would remain where he was till the 12th of Octobera fatal resolve, as a calculation of his stores should have shown him, which the acts of the Americans were certain to render calamitous. Elated at being able to stand their ground in some degree, this novel and almost sole success in the war had raised the spirits of the Colonials as by a miracle. They poured in on all sides, and Arnold, ever ready in resource, suggested to Gates an enterprise to be effected while Burgoyne was lying still and consuming his own victuals.
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