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Its use in mirrors may date back more than 2000 years in China [8] although it could also be an invention of western civilizations. [9] There seem to be references to it by Pliny the Elder . [ 10 ] It was certainly in use by the European Middle Ages , giving better reflectivity than the usual bronze, and tarnishing more slowly.
Bronze artifacts from Sumerian cities and Egyptian artifacts of copper and bronze alloys date to 3000 BC. [10] The Bronze Age began in Southeastern Europe around 3700–3300 BC, in Northwestern Europe about 2500 BC. It ended with the beginning of the Iron Age, 2000–1000 BC in the Near East, 600 BC in Northern Europe.
Telescopes with speculum metal mirrors were a large breakthrough in aperture, but their drawbacks fueled competition from refractors The metal mirror of the Leviathan, the largest telescope mirror until the 100-inch Hooker telescope of 1917 (a metal-on-glass mirror) Looking down the insides of an old reflecting telescope. It's not clear whether ...
In 2017, an Italian marble expert discovered a 2,000-year-old Roman mosaic was being used as a coffee table in a Manhattan apartment for the last 50 years.
Pages in category "Bronze mirrors" The following 10 pages are in this category, out of 10 total. This list may not reflect recent changes. B. Bronze mirror; C.
A 4-year-old accidentally knocked over and shattered a 3,500-year-old Bronze Age jar during a visit to the Hecht Museum at the University of Haifa in Israel on Friday.. The museum said the ...
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