Discoveries and inventions of the nineteenth century (1905)
Routledge, Robert · London : G. Routledge and Sons · leaf 189
ess; that is, she can be quickly turned roundin a comparatively small space. The handiness of a steamer is tested bycausing her to steam at full speed with the helm hard over, when the vesselwill describe a circle. The smaller the diameter of that circle, and theshorter the time required to… … Fig. 70.—Seciion of H.M.S. Herctues. 152 SHJFS OF WAR. can describe is 1,050 yards in diameter, and requires nine minutes for itscompletion, whereas the latter can steam round a circle of only 560 yardsdiameter in four minutes. The section (Fig. 70) shows that, like the GreatEastern, the Hercules…
Inventions
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