Elwood Haynes (1857�1925) was an American inventor, metallurgist, automotive pioneer, entrepreneur and industrialist. He invented the metal alloys stellite and martensitic stainless steel and designed one of the earliest automobiles in the United States. His design is recognized as the first that was acceptable for mass production and, with the Apperson brothers, he formed the first company in the United States to profitably produce automobiles. Because of his many advances in the automotive industry, he is sometimes called the Father of the Automobile. His frequent travels drew his interest to the idea of a mechanical device that could transport without need of a horse, and he began to formulate plans for a motorized vehicle in the early 1890s; he successfully road tested his first car, the Pioneer, on July 4, 1894. He formed a partnership with Elmer and Edgar Apperson in 1896 to start Haynes-Apperson for the commercial production of automobiles, and he renamed it Haynes Automobile Company in
1905, following the loss of his partners. He formed Haynes Stellite Company to produce one of the new alloys he invented and received lucrative contracts during World War I, making Haynes a millionaire in 1916. (more...). should either donate them to a charity or consider having a garage sale. Contact a local charity or pick a date at least two weeks before moving date for the garage sale. Advertise the garage sale locally. Team up with your neighbors who want to sell some of their old belongings, and plan a large neighborhood "sale".
metallurgy in the Indian subcontinent
The first evidence of human metallurgy dates from the 5th and 6th millennium BC, and was found in the archaeological sites of Majdanpek, Yarmovac and Plocnik, Serbia. These examples include a copper axe from 5,500BC belonging to the Vincha culture.[1] Other signs of human metallurgy are found from the third millennium BC in places like Palmela (Portugal), Cortes de Navarra (Spain), and Stonehenge (United Kingdom). However, as often happens with the study of prehistoric times, the ultimate beginnings cannot be clearly defined and new discoveries are continuous and ongoing.
Mining areas of the ancient Middle East. Boxes colors: arsenic is in brown, copper in red, tin in grey, iron in reddish brown, gold in yellow, silver in white and lead in black. Yellow area stands for arsenic bronze, while grey area stands for tin bronze.
Silver, copper, tin and meteoric iron can also be found native, allowing a limited amount of metalworking in early cultures. Egyptian weapons made from meteoric iron in about 3000 B.C. were highly prized as "Daggers from Heaven".[2]. However, by learning to get copper and tin by heating rocks and combining those two metals to make an alloy called bronze, the technology of metallurgy began about 3500 B.C. with the Bronze Age.
The extraction of iron from its
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