Encouraged by the success of Mr. Blenkinsop’s experiment at Leeds, Mr. Blackett determined to follow his example; and in 1812 he ordered a second engine, to work with a toothed driving-wheel upon a rack-rail. This locomotive was constructed by Thomas Waters, of Gateshead, under the superintendence of Jonathan Foster, Mr. Blackett’s principal engine-wright. It was a combination of Trevithick’s and Blenkinsop’s engines; but it was of a more awkward construction than either. The boiler was of cast-iron. The engine was provided with a single cylinder six inches in diameter, with a fly-wheel working at one side to carry the crank over the dead points. Jonathan Foster described it to the author in 1854, as “a strange machine, with lots of pumps, cog-wheels, and plugs, requiring constant attention while at work.” The weight of the whole was about six tons. When finished, it was conveyed to Wylam on a waggon, and there mounted upon a wooden frame supported by four pairs of wheels, which had been constructed for its reception. A barrel of water, placed on another frame upon wheels, was attached to it as a tender. After a great deal of labour, the cumbrous machine was got upon the road. At first it would not move an inch. Its maker, Tommy Waters, became impatient, and at length enraged, and taking hold of the lever of the safety valve, declared in his desperation, that “either _she_ or _he_ should go.” At length the machinery was set in motion, on which, as Jonathan Foster described to the author “she flew all to pieces, and it was the biggest wonder i’ the world that we were not all blewn up.” The incompetent and useless engine was declared to be a failure; it was shortly after dismounted and sold; and Mr. Blackett’s praiseworthy efforts thus far proved in vain.