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P. M. de Respour, a Flemish metallurgist and alchemist, was the first person to extract metallic zinc from zinc oxide, which he did in 1668. [1] Original works
The first documented European contact with the Philippines was made in 1521 by Ferdinand Magellan in his circumnavigation expedition, [1] during which he was killed in the Battle of Mactan. Forty-four years later, a Spanish expedition led by Miguel López de Legazpi left modern Mexico and began the Spanish conquest of the Philippines in the ...
Zinc is also used in contemporary pipe organs as a substitute for the traditional lead/tin alloy in pipes. [133] Alloys of 85–88% zinc, 4–10% copper, and 2–8% aluminium find limited use in certain types of machine bearings. Zinc has been the primary metal in American one cent coins (pennies) since 1982. [134]
The first official census in the Philippines was carried out in 1878. The colony's population as of December 31, 1877, was recorded at 5,567,685 persons. [294] This was followed by the 1887 census that yielded a count of 6,984,727, [295] while that of 1898 yielded 7,832,719 inhabitants. [296]
The balangay was the first wooden marine vessel ever excavated in Southeast Asia. It is also known as the Butuan boat, as nine specimens of these boats, dating back to pre-Hispanic times (the earliest being in 320 CE), were discovered in 1976, Butuan, Mindanao. It is believed that the Austronesians migrated to the Philippine archipelago, riding ...
The oldest known pills were made of the zinc carbonates hydrozincite (described 1853) and smithsonite (described 1832). Calamine is a historic name for an ore of zinc (hemimorphite (IMA1962 s.p.) and smithsonite). [6] De architectura (about 15 BC) of Marcus Vitruvius Pollio, Libri X, vol. VII, Caput 8.
The earliest date suggested for direct Chinese contact with the Philippines was 982. At the time, merchants from " Ma-i " (now thought to be either Bay, Laguna on the shores of Laguna de Bay , [ 33 ] or a site called "Mait" in Mindoro [ 34 ] [ 35 ] ) brought their wares to Guangzhou and Quanzhou .
The Rizal Archaeological Site pushed back the first known human activity in the Philippines 10 times earlier. Prior to the excavation, the oldest fossil discovered in the country was the foot bone found in 2010 in Callao Cave, Cagayan Valley. The bone was dated at least 67,000 years old. [3]