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Green and white sea glass. Sea glass are naturally weathered pieces of the anthropogenic glass fragments of typically drinkwares, which often have the appearance of tumbled stones. Sea glass is physically polished and chemically weathered glass found on beaches along bodies of salt water. These weathering processes produce natural frosted glass ...
A very important advance in glass manufacture was the technique of adding lead oxide to the molten glass; this improved the appearance of the glass and made it easier to melt using sea-coal as a furnace fuel. This technique also increased the "working period" of the glass, making it easier to manipulate.
The most interesting thing about the second reference, the one from King Charles, is that a common sand-glass is defined as "ung grant orloge de mer" or "a large sea clock", this together with the fact that the first explanation of its use at sea (found by M.Llauradó) appears in the Francesc Eiximenis work "lo dotzé del crestià" and that was ...
The thin-glass bottles were probably made in England, Ard added, as the Spanish did not make their own glass. "Onion bottles are free blown using a pontil," Ard said. "Each one is unique, so there ...
Vetrazzo recycled glass countertops were invented in Berkeley in 1996. A materials scientist, Don McPherson, pursuing his PhD combined recycled glass and a cement binder to create a sustainable, polished countertop. The company at that time was known as Counter Productions.
In the Americas, the Spanish encountered large indigenous empires and formed alliances with indigenous people through small expeditions. After establishing Spanish sovereignty and discovering wealth, the crown focused on implementing Spanish state and church institutions. A key element was the 'spiritual conquest' through Christian evangelization.
New artifacts have been found on the legendary Spanish galleon San Jose, Colombia's government announced Thursday, after the first robotic exploration of the three-century-old shipwreck.
Antillia (or Antilia) is a phantom island that was reputed, during the 15th-century age of exploration, to lie in the Atlantic Ocean, far to the west of Portugal and Spain. The island also went by the name of Isle of Seven Cities (Ilha das Sete Cidades in Portuguese, Isla de las Siete Ciudades in Spanish).