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James Frost (cement Maker)
James Frost (1780?-1840?) was an English businessman and inventor who invented processes that led to the eventual development of Portland cement. Biography Frost was born in Finchley, Middlesex, England. He set up a plant making Roman cement at Harwich in 1807, supplying it for government work. He began experimenting with formulations for "artificial" cements that would provide a cheaper alternative to Roman cement. He appears to have produced a prototype cement at Harwich in 1810. However, it was not until 1822 that he was granted a patent for what he called "British Cement". In October 1825, he leased land at Swanscombe, Kent, and set up a plant to manufacture both Roman cement and the new product. The key innovation in his work was the "wet" grinding of raw materials, which became fundamental to the early development of Portland cement. He ground the soft local chalk together with alluvial clay from the Medway estuary and added water in a washmill to produce a thin slur ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Portland Cement
Portland cement is the most common type of cement in general use around the world as a basic ingredient of concrete, mortar (masonry), mortar, stucco, and non-specialty grout. It was developed from other types of hydraulic lime in England in the early 19th century by Joseph Aspdin, and is usually made from limestone. It is a fine powder (substance), powder, produced by heating limestone and clay minerals in a kiln to form Clinker (cement), clinker, and then #Cement grinding, grinding the clinker with the addition of several percent (often around 5%) gypsum. Several types of portland cement are available. The most common, historically called ordinary portland cement (OPC), is grey, but white portland cement is also available. The cement was so named by Joseph Aspdin, who obtained a patent for it in 1824, because, once hardened, it resembled the fine, pale limestone known as Portland stone, quarried from the windswept cliffs of the Isle of Portland in Dorset. Portland stone was p ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Charles Pasley
General Sir Charles William Pasley (8 September 1780 – 19 April 1861) was a British soldier and military engineer who wrote the defining text on the role of the post-American Revolution British Empire: ''An Essay on the Military Policy and Institutions of the British Empire'', published in 1810. This text changed how Britons thought their empire should relate to the rest of the world. He warned that Britain could not keep its Empire by its "splendid isolation". Britain would need to fight to gain its empire, and by using the colonies as a resource for soldiers and sailors it grew by an average of per year between the Battle of Waterloo and the American Civil War. Serving in the Royal Engineers in the Napoleonic Wars, he was Europe's leading demolitions expert and siege warfare specialist. Life Pasley was born at Eskdale Muir, Dumfriesshire, on 8 September 1780. He was highly intelligent, capable of translating the New Testament from Greek at the age of eight. In 1796, he e ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
People From Finchley
The term "the people" refers to the public or common mass of people of a polity. As such it is a concept of human rights law, international law as well as constitutional law, particularly used for claims of popular sovereignty. In contrast, a people is any plurality of persons considered as a whole. Used in politics and law, the term "a people" refers to the collective or community of an ethnic group or nation. Concepts Legal Chapter One, Article One of the Charter of the United Nations states that "peoples" have the right to self-determination. Though the mere status as peoples and the right to self-determination, as for example in the case of Indigenous peoples (''peoples'', as in all groups of indigenous people, not merely all indigenous persons as in ''indigenous people''), does not automatically provide for independent sovereignty and therefore secession. Indeed, judge Ivor Jennings identified the inherent problems in the right of "peoples" to self-determination, as i ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
English Manufacturing Businesspeople
English usually refers to: * English language * English people English may also refer to: Culture, language and peoples * ''English'', an adjective for something of, from, or related to England * ''English'', an Amish term for non-Amish, regardless of ethnicity * English studies, the study of English language and literature Media * ''English'' (2013 film), a Malayalam-language film * ''English'' (novel), a Chinese book by Wang Gang ** ''English'' (2018 film), a Chinese adaptation * ''The English'' (TV series), a 2022 Western-genre miniseries * ''English'' (play), a 2022 play by Sanaz Toossi People and fictional characters * English (surname), a list of people and fictional characters * English Fisher (1928–2011), American boxing coach * English Gardner (born 1992), American track and field sprinter * English McConnell (1882–1928), Irish footballer * Aiden English, a ring name of Matthew Rehwoldt (born 1987), American former professional wrestler ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Businesspeople In Cement
A businessperson, also referred to as a businessman or businesswoman, is an individual who has founded, owns, or holds shares in (including as an angel investor) a private-sector company. A businessperson undertakes activities (commercial or industrial) to generate cash flow, sales, and revenue by using a combination of human, financial, intellectual, and physical capital to fuel economic development and growth. History Medieval period: Rise of the merchant class Merchants emerged as a social class in medieval Italy. Between 1300 and 1500, modern accounting, the bill of exchange, and limited liability were invented, and thus, the world saw "the first true bankers", who were certainly businesspeople. Around the same time, Europe saw the " emergence of rich merchants." This "rise of the merchant class" came as Europe "needed a middleman" for the first time, and these "burghers" or "bourgeois" were the people who played this role. Renaissance to Enlightenment: Rise of t ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
1840s Deaths
__NOTOC__ Year 184 ( CLXXXIV) was a leap year starting on Wednesday of the Julian calendar. At the time, it was known as the Year of the Consulship of Eggius and Aelianus (or, less frequently, year 937 ''Ab urbe condita''). The denomination 184 for this year has been used since the early medieval period, when the Anno Domini calendar era became the prevalent method in Europe for naming years. Events By place China * The Yellow Turban Rebellion and Liang Province Rebellion break out in China. * The Disasters of the Partisan Prohibitions ends. * Zhang Jue leads the peasant revolt against Emperor Ling of Han of the Eastern Han dynasty. Heading for the capital of Luoyang, his massive and undisciplined army (360,000 men), burns and destroys government offices and outposts. * June – Ling of Han places his brother-in-law, He Jin, in command of the imperial army and sends them to attack the Yellow Turban rebels. * Winter – Zhang Jue dies of illness while his ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
1780s Births
Year 178 ( CLXXVIII) was a common year starting on Wednesday of the Julian calendar. At the time, it was known as the Year of the Consulship of Scipio and Rufus (or, less frequently, year 931 ''Ab urbe condita''). The denomination 178 for this year has been used since the early medieval period, when the Anno Domini calendar era became the prevalent method in Europe for naming years. Events By place Roman Empire * Bruttia Crispina marries Commodus, and receives the title of '' Augusta''. * Emperor Marcus Aurelius and his son Commodus arrive at Carnuntum in Pannonia, and travel to the Danube to fight against the Marcomanni. Asia * Last (7th) year of ''Xiping'' era and start of ''Guanghe'' era of the Chinese Han dynasty. * In India, the decline of the Kushan Empire begins. The Sassanides take over Central Asia. Religion * The Montanist heresy is condemned for the first time. Births * Lü Meng, Chinese general (d. 220) * Peng Yang, Chinese official (d. 214) ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Blue Circle Industries
Blue Circle Industries was a British public company manufacturing cement. It was founded in 1900 as the Associated Portland Cement Manufacturers Ltd. through the fusion of 24 cement works, mostly around on the Thames and Medway estuaries, together having around a 70% market share of the British cement market. In 1911, the British Portland Cement Manufacturers Ltd. was formed by the addition of a further 35 companies, creating a company with an initial 80% of the British cement market. Subsequently, the company expanded overseas, predominantly into commonwealth countries and South and Central America. The energy crisis of the 1970 caused the contraction of the company, and the sale of its overseas plants. In 1978, the company's name was changed to ''Blue Circle''. In 2001 the company was bought by Lafarge. History The company was founded in 1900 as ''Associated Portland Cement Manufacturers Ltd'' by the amalgamation of 24 cement companies, owning 35 cement plants, all but two ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Isaac Charles Johnson
Isaac Charles Johnson (28 January 1811 – 29 November 1911) was a British cement manufacturer, and a pioneer of the Portland cement industry. Born in London, his father was a charge-hand at Francis & White's " Roman Cement" plant in Nine Elms. He himself worked there as a labourer from age 16 while studying chemistry. In 1833 he became manager of John Bazeley White's cement plant at Swanscombe on the Thames Estuary which at that time was producing "Artificial Cement" and "Roman Cement". Joseph Aspdin's product was successful but very expensive, and was later improved independently by his son William. Johnson set to work trying to discover its composition but because Aspdin's product was protected by explicit patents and extreme secrecy it was impossible to market a copy. After nearly two years' work, he succeeded and started marketing his own considerably improved version. Johnson, a highly moral man, Mayor of Gateshead and a JP, was able to claim that he was the inventor of ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Franklin Institute
The Franklin Institute is a science museum and a center of science education and research in Philadelphia, Pennsylvania. It is named after the American scientist and wikt:statesman, statesman Benjamin Franklin. It houses the Benjamin Franklin National Memorial. Founded in 1824, the Franklin Institute is one of the oldest centers of science education and development in the United States. Its chief astronomer is Derrick Pitts. History 19th century On February 5, 1824, Samuel Vaughan Merrick and William H. Keating founded the Franklin Institute of the State of Pennsylvania for the Promotion of the Artes Mechanicae, Mechanic Arts. The opening was chronicled by ''The Literary Chronicle for the Year 1824'': Begun in 1825, the institute was an important force in the professionalization of American science and technology through the nineteenth century, beginning with early investigations into steam engines and water power. In addition to conducting scientific inquiry, it fostered re ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Civil Engineer
A civil engineer is a person who practices civil engineering – the application of planning, designing, constructing, maintaining, and operating infrastructure while protecting the public and environmental health, as well as improving existing infrastructure that may have been neglected. Civil engineering is one of the oldest engineering disciplines because it deals with constructed environment including planning, designing, and overseeing construction and maintenance of building structures, and facilities, such as roads, railroads, airports, bridges, harbors, channels, dams, irrigation projects, pipelines, power plants, and water and sewage systems. The term "civil engineer" was established by John Smeaton in 1750 to contrast engineers working on civil projects with the military engineers, who worked on armaments and defenses. Over time, various sub-disciplines of civil engineering have become recognized and much of military engineering has been absorbed by civil engineering. ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
