英语词汇“brooke, john mercer”的英英意思、用法、释义、翻译、读音、例句、短语、词组-英语词典

单词	brooke, john mercer
释义	Brooke, John Mercer Brooke, John Mercer (1826–1906) naval officer, inventor; born in Tampa Bay, Fla. He served in the U.S. Navy (1841–61) and invented the deep-sea sounding apparatus (1851–53). He joined the Confederate States Navy in 1861 and was largely responsible for the fitting-out of the CSS ironclad Virginia. He was chief of the Bureau of Ordnance and Hydrography (1863–65) where he invented the "Brooke" cast-iron rifle.
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Brooke, John Mercer