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United States to contract for 60 ships, 441 feet (134 metres) long, of 10,490 tons
displacement, with recip- World rocating steam engines and coal-fired Scotch
boilers, as War II simple and rugged a merchant ship as could be devised. Liberty
and ease of maintenance (a gas turbine is so light and compact that it can be
hoisted out of the ship and replaced in a few hours) tip the economic balance.
The same procedure is used in modular electronic units, complicated control
The introduction and development of iron and steel ships, however, gave the U.K.
an enormous, if temporary, advantage because of Britain's wealth of coal and
iron, together with its early and successful application of steam propulsion.
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The New Encyclopaedia Britannica (Encyclopaedia)User Review - Not Available - Book Verdict
For virtually all its 238 years,Britannica has ruled the shelves as a peerless general encyclopedia. Reviewers have consistently given it high marks for most of the 12 criteria identified inKister's ... Read full review