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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 ...
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.
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 ...
Atlantic history is a specialty field in history that studies the Atlantic World in the early modern period. The Atlantic World was created by the contact between Europeans and the Americas, and Atlantic History is the study of that world. [ 1 ]
The best example of Mid-Atlantic Colonial academic architecture is the 1774 Hammond–Harwood House in Annapolis, Maryland. This house was modeled on the Villa Pisani in Montagnana, Italy, as exhibited in the Renaissance architect Andrea Palladio's Four Books of Architecture (1570).
Philadelphia's Kensington Glass Works, around 1771, may have been the first American glass plant to use coal to power its furnace. [66] In the 1790s, the O'Hara and Craig glass works was the first glass works in Pittsburgh, and this works was another early user of coal as a fuel for its furnaces. [67]
Dutch ambassadors received by Garcia II, monarch of Kongo in West Central Africa in 1642. Given the scope of Atlantic history it has tended to downplay the singular influence of the voyages of Columbus and to focus more on growing interactions among African and European polities (ca 1450–1500), including contact and conflict in the Mediterranean and Atlantic islands, as critical to the ...
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.