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Bramble-class gunboat (1886)
The ''Bramble''-class gunboat was a class of four gunboats mounting six 4-inch guns, built for the Royal Navy in 1886. In 1887 the first three were reclassified as gunvessels.〔
==Design==
The ''Bramble'' class was designed by William White. The ships were of composite construction, meaning that the iron keel, frames, stem and stern posts were of iron, while the hull was planked with timber. This had the advantage of allowing the vessels to be coppered, thus keeping marine growth under control, a problem that caused iron-hulled ships to be frequently docked. They were in length and displaced 715 tons.〔
抄文引用元・出典: フリー百科事典『 ウィキペディア（Wikipedia）』
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