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THE GROWTH OF THE STEAM-ENGINE.
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with her stores, 5,000 or 6,000 tons, as she starts on her voyage, moved by engines more than equal in power to the united strength of 5,000 horses. Nothing can more thoroughly awaken a feeling of awe than the sight of immense structures like the great modern iron-clads (Fig. 65), vessels having a total weight of 8,000 to 10,000 tons,
Fig. 65.—Modern Iron-Clads.
and propelled by steam-engines of 8,000 or 10,000 horse-power, carrying guns whose shot penetrate solid iron fifteen inches thick, and having a power of impact, when steaming moderately, sufficient to raise 35,000 tons a foot high.
108. Far more huge than the Monarch among the iron-clads even is that prematurely-built monster, the Great Eastern (Fig. 66), more
