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Fahrkunst
A man engine is a mechanism of reciprocating ladders and stationary platforms installed in mines to assist the miners' journeys to and from the working levels. It was invented in Germany in the 19th century and was a prominent feature of tin and copper mines in Cornwall until the beginning of the twentieth century. Operation In the Cornish examples the motive power was provided by waterwheels, or one of the mine's steam engines. The steam engine or water wheel would be linked to a series of beams – known as "rods" – fastened together and reaching to the bottom of the mineshaft. These were arranged to offer a reciprocating motion of, typically, twelve to fifteen feet (three to five metres). Small foot platforms were attached to the rods at the same distance apart as the engine stroke and fixed platforms ("sollars") were built onto the shaft walls, spaced to coincide with the top and bottom positions of each of the moving platforms. The moving platforms were often small, ty ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Samson Pit
The Samson Pit or Samson Mine (german: Grube Samson) is an historic silver mine in Sankt Andreasberg in the Upper Harz region of central Germany.''Samson Mine'' at www.mindat.org. Retrieved on 8 May 2010. The pit has one of the oldest man engines in the world still working and it can be seen in operation during guided tours.''West Harz Places – St. Andreasberg'' at www.harzmagic-info.co. Retrieved on 8 May 2010. The man engine, installed in the Samson Pit in 1837, used to be driven by the |
Man Engine Animation
A man is an adult male human. Prior to adulthood, a male human is referred to as a boy (a male child or adolescent). Like most other male mammals, a man's genome usually inherits an X chromosome from the mother and a Y chromosome from the father. Sex differentiation of the male fetus is governed by the SRY gene on the Y chromosome. During puberty, hormones which stimulate androgen production result in the development of secondary sexual characteristics, thus exhibiting greater differences between the sexes. These include greater muscle mass, the growth of facial hair and a lower body fat composition. Male anatomy is distinguished from female anatomy by the male reproductive system, which includes the penis, testicles, sperm duct, prostate gland and the epididymis, and by secondary sex characteristics, including a narrower pelvis, narrower hips, and smaller breasts without mammary glands. Throughout human history, traditional gender roles have often defined an ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Harz
The Harz () is a highland area in northern Germany. It has the highest elevations for that region, and its rugged terrain extends across parts of Lower Saxony, Saxony-Anhalt, and Thuringia. The name ''Harz'' derives from the Middle High German word ''Hardt'' or ''Hart'' (hill forest). The name ''Hercynia'' derives from a Celtic name and could refer to other mountain forests, but has also been applied to the geology of the Harz. The Brocken is the highest summit in the Harz with an elevation of above sea level. The Wurmberg () is the highest peak located entirely within the state of Lower Saxony. Geography Location and extent The Harz has a length of , stretching from the town of Seesen in the northwest to Eisleben in the east, and a width of . It occupies an area of , and is divided into the Upper Harz (''Oberharz'') in the northwest, which is up to 800 m high, apart from the 1,100 m high Brocken massif, and the Lower Harz (''Unterharz'') in the east which is up to aro ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Lanner, Cornwall
Lanner ( kw, Lannergh) is a village and civil parish in west Cornwall, England, United Kingdom. It is situated on the A393 about south-east of Redruth.Ordnance Survey: Landranger map sheet 203 ''Land's End'' Lanner is in the St Day, Carharrack and Lanner ward which had a collective population of 5,438 in 2001. The population of Lanner civil parish was 2,493 in the 2001 census, increasing to 2,690 at the 2011 census.GENUKI website Lanner; retrieved 10 February 2015 The village has a , Lanner School. History The name "Lanner" comes from the Cornish "''Lannergh''", wh ...[...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Michael Loam
Michael Loam (1 November 1797 – 14 July 1871) was an English engineer who introduced the first man engine (a device to carry men up and down the shaft of a mine) into the UK. In 1834, concerned for the health of miners and for the loss in profits incurred by their long, slow climbs by ladders, the Royal Cornwall Polytechnic Society announced a prize for the design of a better system of transporting miners in and out of the deep mines in the county. Michael Loam won this prize in 1841 for his man engine, despite evidence that it was already in use in the Hartz Mountains in Germany. Inspired by the German designs and constructed of a series of moving platforms, the first man engine was installed in 1842 at Tresavean Mine—one of the deepest in Cornwall at the time. Its adoption was encouraged by the mine's owner, John Rogers. Loam was trained as an engineer at Wheal Abraham by Arthur Woolf Arthur Woolf (1766, Camborne, Cornwall – 16 October 1837, Guernsey) was a Co ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Royal Cornwall Polytechnic Society
The Royal Cornwall Polytechnic Society (commonly known as The Poly) is an educational, cultural and scientific charity, as well as a local arts and cinema venue, based in Falmouth, Cornwall, England, United Kingdom. The Society exists to promote innovation in the arts and sciences. History In 1832 the Fox family. a prominent Quaker business family of Falmouth, founded the Cornwall Polytechnic Society, to promote the ideas and inventions of the workers in their Perran Foundry. This was the first use of the word ‘ Polytechnic’ (meaning "of many arts and techniques") in Britain. In 1835 King William IV bestowed Royal Patronage on the Society, at the request of Davies Gilbert and it changed its name from the Cornwall Polytechnic Society to the Royal Cornwall Polytechnic Society. In the same year the Polytechnic Hall was built, at 24 Church Street, Falmouth, being originally used for “objects connected with the sciences, arts and literature”, but not for theatrical pu ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
American Society Of Mechanical Engineers
The American Society of Mechanical Engineers (ASME) is an American professional association that, in its own words, "promotes the art, science, and practice of multidisciplinary engineering and allied sciences around the globe" via " continuing education, training and professional development, codes and standards, research, conferences and publications, government relations, and other forms of outreach." ASME is thus an engineering society, a standards organization, a research and development organization, an advocacy organization, a provider of training and education, and a nonprofit organization. Founded as an engineering society focused on mechanical engineering in North America, ASME is today multidisciplinary and global. ASME has over 85,000 members in more than 135 countries worldwide. ASME was founded in 1880 by Alexander Lyman Holley, Henry Rossiter Worthington, John Edison Sweet and Matthias N. Forney in response to numerous steam boiler pressure vessel failures. ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Sankt Andreasberg
Sankt Andreasberg is a former town in the district of Goslar, in Lower Saxony, Germany. Since 1 November 2011, it is part of the town Braunlage. It is situated in the Harz, approximately 7 km west of Braunlage proper, and 20 km east of Osterode am Harz. History Sankt Andreasberg was founded in the 1480s. It was first mentioned in a letter from the Count Heinrich zu Stolberg to Dietrich von Witzlebenon on 3 November 1487. The establishment of the village took place around the market. The first silver mines are assumed to be the St. Andrews Cross Mine (german: Grube St. Andreaskreuz) at the foot of the ''Beerberg'' and the St. Andrews Mine (''Grube St. Andreas'') by the market. In 1521, St. Andreasberg received the right to mine from Counts Heinrich and Ernst von Hohenstein. It was proclaimed in Mansfelder Land and in the mining areas of Saxony and miners were invited to dig for silver and other metals. Natural monuments The area around Sankt Andreasberg is especi ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Adit
An adit (from Latin ''aditus'', entrance) is an entrance to an underground mine which is horizontal or nearly horizontal, by which the mine can be entered, drained of water, ventilated, and minerals extracted at the lowest convenient level. Adits are also used to explore for mineral veins. Construction Adits are driven into the side of a hill or mountain, and are often used when an ore body is located inside the mountain but above the adjacent valley floor or coastal plain. In cases where the mineral vein outcrops at the surface, the adit may follow the lode or vein until it is worked out, in which case the adit is rarely straight. The use of adits for the extraction of ore is generally called drift mining. Adits can only be driven into a mine where the local topography permits. There will be no opportunity to drive an adit to a mine situated on a large flat plain, for instance. Also if the ground is weak, the cost of shoring up a long adit may outweigh its possible advant ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Wilhelm Albert (engineer)
Wilhelm August Julius Albert (24 January 1787 – 4 July 1846) was a German engineer and mining administrator, best remembered as the first person to record observations of metal fatigue. Albert was born in Hanover and showed early talent as a musician before embarking on the study of law in Göttingen in 1803. Experience in the Harz mountains awakened an interest in mining and, in 1806, he was appointed to the Mining and Forestry Office in Clausthal. By 1836 he was directing the entire mining industry of the Harz region. In 1829, he observed, studied and reported the failure of iron mine hoist chains arising from repeated small loadings, the first recorded account of metal fatigue. He built a machine which repeatedly loaded a chain. His finding was that fatigue was not associated with an accidental overload, but was dependent on load and the number of repetitions of load cycles. He invented a twisted steel cable, later known as an "Albert Rope", which was first used in the ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
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