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Rh the Alhambra (1857), and William H. Webb built only one ship for the California trade, the Black Hawk, beside the Resolute, and the barque Trieste (1857), and the barque Harvest Queen (1858). The same depression was felt in all the yards along the Atlantic coast. British ship-builders had made such rapid progress in the construction and speed of their vessels that it was now difficult for American ships to obtain charters from China to England. From 1857 to 1861, they were to be found lying idle for months at a time in Manila Bay, Hong-kong harbor, Foo-chow, Shanghai, and Calcutta, seeking employment.

The depression in the oversea carrying trade was felt quite as much by the ship-owners of Great Britain as by those of the United States, and while of short duration, was as serious there as in the United States. It was at this period, however, that Great Britain began to feel the benefit of Free Trade in her ship-building industry, and entered upon her conquest of the world's oversea carrying trade. In this her ship-builders were greatly assisted by the introduction of iron as a material for construction. In 1855 the Committee of Lloyd's Register had framed rules for the classification of iron ships, as their number had so increased, and the demand of ship-owners for their official recognition had become so general, that they could no longer be ignored. The screw propeller was also beginning to supersede side-wheels as a means of propulsion, and some of the ablest men in Great Britain were engaged upon the development and improvement of the marine engine and boiler.