Vintage Bronze Porthole with Double Hinged Glazed Hatch Covers
An old ship's bronze porthole, with 12 bolt hole back plate and double hinged glazed and reinforced hatch covers, allowing to be fully open, glass covered or fully covered with hatch. The covers secured by four screw down lugs. Full Diameter 21.46 in. Glass panel Diameter 15.94 in.
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- Bronze - An alloy of copper and tin, traditionally in the proportions of about 9 parts of copper to 1 part of tin.
The discovery of bronze in Western Asia in the 4th century enabled people to create metal objects which were superior to those previoulsy possible because of its strength and hardness, and it has been used throughout the world for weapons, coins, tools, statuary and other decorative items.
It is very fluid in a molten state, and its hardness, strength when set, and non-corrosive properties makes it most suitable for casting sculpture.
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