copper sheathing

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• Copper sheathing — was the practice of protecting the under water hull of a ship or boat through the use of copper plates affixed to the outside of the hull. It was pioneered and developed by the Royal Navy during the 18th century. Contents 1 Development 2 Humphry… …   Wikipedia

• Sheathing — Sheath ing, n. That which sheathes. Specifically: (a) The casing or covering of a ship s bottom and sides; the materials for such covering; as, copper sheathing. (b) (Arch.) The first covering of boards on the outside wall of a frame house or on… …   The Collaborative International Dictionary of English

• copper-bottomed — ► ADJECTIVE Brit. ▪ thoroughly reliable. ORIGIN with reference to copper sheathing applied to the bottom of a ship …   English terms dictionary

• Copper — For other uses, see Copper (disambiguation) …   Wikipedia

• copper-bottomed — adjective Brit. thoroughly reliable. Origin orig. referring to the copper sheathing of the bottom of a ship …   English new terms dictionary

• copper processing — Introduction  use of smelting or leaching, usually followed by electrolytic refining or recovery, to turn the ore into a form from which products can be fashioned. Included in this article also is a discussion of the mining of copper and of its… …   Universalium

• Copper alloys in aquaculture — A copper alloy pen that has been deployed on a fish farm at depth of 14 feet for one year shows no signs of biofouling. Recently, copper alloys have become important netting materials in aquaculture (the farming of aquatic organisms including… …   Wikipedia

• Mineral-insulated copper-clad cable — MIMS redirects here. For multi isotope imaging mass spectrometry, see Isotope mass spectrometry. PVC sheathed MICC cable. Conductor cross section area is 1.5 mm²; overall diameter is 7.2 mm …   Wikipedia

• HMS Alarm (1758) — HMS Alarm was a 32 gun fifth rate Niger class frigate of the Royal Navy, and was the first Royal Navy ship to bear this name. Copper sheathed in 1761, she was the first ship in the Royal Navy to have a fully copper sheathed hull. [… …   Wikipedia

• Muntz metal — Bow of the Cutty Sark Muntz metal is a form of alpha beta brass with about 60% copper, 40% zinc and a trace of iron. It is named after George Fredrick Muntz, a metal roller of Birmingham, England who commercialised the alloy following his patent… …   Wikipedia

• USS Constitution — For similarly named ships, principles of government, and other uses, see Constitution (disambiguation). Constitution on her 213th birt …   Wikipedia