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Torpedo (petroleum)
A torpedo is an explosive device used, especially in the early days of the petroleum industry, to fracture the surrounding rock at the bottom of an oil well to stimulate the flow of oil and to remove built-up paraffin wax that would restrict the flow. Earlier torpedoes used gunpowder, but the use of nitroglycerin eventually became widespread. The development of hydraulic fracturing rendered torpedoes obsolete, and is the primary fracturing process used today. Use A torpedo consisted of canisters that were filled with an explosive and lowered into a well via a rope or wire. Gunpowder was used in the first torpedoes, but nitroglycerin was found to work better despite its instability. The well is usually filled with water to prevent the explosion from escaping upwards. Originally, the topmost canister had a percussion cap that was to detonate the main charge.Bacon and Hamor, p. 333 An iron weight was dropped down the well to set the torpedo off. After incidents of premature explosion ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Roberts Torpedo
Roberts may refer to: People * Roberts (given name), a Latvian masculine given name * Roberts (surname), a surname Places * Roberts (crater), a lunar impact crater on the far side of the Moon ;United States * Roberts, Idaho * Roberts, Illinois * Roberts, Indiana * Roberts, West Virginia * Roberts, Wisconsin * Roberts County, South Dakota * Roberts County, Texas * Mount Roberts (New Hampshire), a summit in the Ossipee Mountains Facilities and structures * The old name of Brandeis/Roberts (MBTA station) * Roberts Stadium (other) Other uses * Roberts (agriculture company) * Roberts class monitor, a class of British warship * USS ''Samuel B. Roberts'' (FFG-58), a U.S. Navy frigate * Roberts Cycles, a cycle manufacturer (also known as Chas. Roberts) * Roberts Radio, a radio manufacturer * .257 Roberts, a medium-powered .25 caliber cartridge * Roberts (syrup company), a Swedish soft drinks manufacturer See also * * * Strebor, a lock manufacturer (Roberts ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Tamp
A tamper is a device used to compact or flatten an aggregate or another powdered or granular material, typically to make it resistant to further compression or simply to increase its density. Examples * Small, handheld tampers are used to compress ground coffee into a puck to prepare espresso. * Manual or powered tampers compact gravel before laying a concrete or brick patio or walkway so that the underlying gravel layer does not settle over time, or compress the fill in a utility trench as seen in the illustration. * Self-propelled, mechanised ballast tamping machines, which compact the ballast underneath rail tracks. * Preparing some firearms and artillery pieces for firing may involve tamping the charge, such as explosive material or a projectile, into the barrel. For example, muzzle loaders. * A fireplace can be tamped with a poker or similar tool to compress the material being burned (wood, coal, peat etc...). This improves the heat/burning efficiency, by reducing the ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
American Inventions ...
The following articles cover the timeline of United States inventions: * Timeline of United States of America inventions (before 1890), before the turn of the century * Timeline of United States inventions (1890–1945), before World War II * Timeline of United States inventions (1946–1991), during the Cold War * Timeline of United States inventions (after 1991), after the dissolution of the Soviet Union {{DEFAULTSORT:Timeline of United States Inventions United States inventions United States The United States of America (USA), also known as the United States (U.S.) or America, is a country primarily located in North America. It is a federal republic of 50 U.S. state, states and a federal capital district, Washington, D.C. The 48 ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
1865 Introductions
Events January * January 4 – The New York Stock Exchange opens its first permanent headquarters at 10-12 Broad near Wall Street, in New York City. * January 13 – American Civil War: Second Battle of Fort Fisher – Union forces launch a major amphibious assault against the last seaport held by the Confederates, Fort Fisher, North Carolina. * January 15 – American Civil War: Union forces capture Fort Fisher. * January 31 ** The Thirteenth Amendment to the United States Constitution (conditional prohibition of slavery and involuntary servitude) passes narrowly, in the House of Representatives. ** American Civil War: Confederate General Robert E. Lee becomes general-in-chief. February * February 3 – American Civil War: Hampton Roads Conference: Union and Confederate leaders discuss peace terms. * February 6 – The Municipalities of Finland#History, municipal administration of Finland is established. * February 8 & March 8 – Gregor Me ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Mannington, West Virginia
Mannington is a city in Marion County, West Virginia, United States, located in the hills of North Central West Virginia. The population was 1,961 at the 2020 census. In its earliest years it was called Forks of Buffalo or Koon Town, but has been called Mannington since 1856. History Early history At the time of the first settlement, the west fork of Buffalo Creek was known as Warrior's Fork, while the North Fork has historically borne the name of Pyle's Fork. One of the first settlers in the area was John Ice, who was born in the valley of the South Branch of the Potomac River in what was then Virginia. As a child, Ice and his father searched in vain for his mother, two sisters and brother who had been captured by Native Americans. The mother was never found, although the children ultimately were. Only John's brother, known from then on as "Indian Billy" returned to the family. The sisters chose to remain with their one time captors (Prichard 1983). Native American activity w ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
New York City
New York, often called New York City (NYC), is the most populous city in the United States, located at the southern tip of New York State on one of the world's largest natural harbors. The city comprises five boroughs, each coextensive with a respective county. The city is the geographical and demographic center of both the Northeast megalopolis and the New York metropolitan area, the largest metropolitan area in the United States by both population and urban area. New York is a global center of finance and commerce, culture, technology, entertainment and media, academics, and scientific output, the arts and fashion, and, as home to the headquarters of the United Nations, international diplomacy. With an estimated population in 2024 of 8,478,072 distributed over , the city is the most densely populated major city in the United States. New York City has more than double the population of Los Angeles, the nation's second-most populous city. [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
McGraw-Hill
McGraw Hill is an American education science company that provides educational content, software, and services for students and educators across various levels—from K-12 to higher education and professional settings. They produce textbooks, digital learning tools, and adaptive technology to enhance learning experiences and outcomes. It is one of the "big three" educational publishers along with Houghton Mifflin Harcourt and Pearson Education. McGraw Hill also publishes reference and trade publications for the medical, business, and engineering professions. Formerly a division of The McGraw Hill Companies (later renamed McGraw Hill Financial, now S&P Global), McGraw Hill Education was divested and acquired by Apollo Global Management in March 2013 for $2.4 billion in cash. McGraw Hill was sold in 2021 to Platinum Equity for $4.5 billion. History McGraw Hill was founded in 1888, when James H. McGraw, co-founder of McGraw Hill, purchased the ''American Journal of Railway ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Otto Torpedo Power Wagon
Otto is a masculine German given name and a surname. It originates as an Old High German short form (variants ''Audo'', '' Odo'', '' Udo'') of Germanic names beginning in ''aud-'', an element meaning "wealth, prosperity". The name is recorded from the 7th century ( Odo, son of Uro, courtier of Sigebert III). It was the name of three 10th-century German kings, the first of whom was Otto I the Great, the first Holy Roman Emperor, founder of the Ottonian dynasty. The Gothic form of the prefix was ''auda-'' (as in e.g. '' Audaþius''), the Anglo-Saxon form was ''ead-'' (as in e.g. '' Eadmund''), and the Old Norse form was '' auð-''. Due to Otto von Bismarck, the given name ''Otto'' was strongly associated with the German Empire in the later 19th century. It was comparatively frequently given in the United States (presumably in German American families) during the 1880s to 1890s, remaining in the top 100 most popular masculine given names in the US throughout 1880–1898, but its ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Lawsuit
A lawsuit is a proceeding by one or more parties (the plaintiff or claimant) against one or more parties (the defendant) in a civil court of law. The archaic term "suit in law" is found in only a small number of laws still in effect today. The term "lawsuit" is used with respect to a civil action brought by a plaintiff (a party who claims to have incurred loss as a result of a defendant's actions) who requests a legal remedy or equitable remedy from a court. The defendant is required to respond to the plaintiff's complaint or else risk default judgment. If the plaintiff is successful, judgment is entered in favor of the plaintiff, and the court may impose the legal or equitable remedies available against the defendant (respondent). A variety of court orders may be issued in connection with or as part of the judgment to enforce a right, award damages or restitution, or impose a temporary or permanent injunction to prevent an act or compel an act. A declaratory judgmen ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Pinkerton National Detective Agency
Pinkerton is an American private investigation and security company established around 1850 in the United States by Scottish-born American cooper Allan Pinkerton and Chicago attorney Edward Rucker as the North-Western Police Agency, which later became Pinkerton & Co. and finally the Pinkerton National Detective Agency. At the height of its power from the 1870s to the 1890s, it was the largest private law enforcement organization in the world. It is currently a subsidiary of Swedish-based Securitas AB. Pinkerton became famous when he claimed to have foiled the Baltimore Plot to assassinate President-elect Abraham Lincoln in 1861. Lincoln later hired Pinkerton agents to conduct espionage against the Confederacy and act as Lincoln's personal security during the American Civil War. p. 43 As such, Pinkerton and his agency are sometimes seen as the forerunners of the United States Secret Service. Following the Civil War, the Pinkertons began conducting operations against organ ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Moonlight
Moonlight consists of mostly sunlight (with little earthlight) reflected from the parts of the Moon's surface where the Sun's light strikes. History The ancient Greek philosopher Anaxagoras was aware that "''the sun provides the moon with its brightness''". Zhang Heng's treatise "''The Spiritual Constitution of the Universe''" concludes that the light of the moon comes from the Sun. He writes that the Sun and Moon are "like fire and water" where the Sun "gives out light" and the Moon "reflects it". Illumination The intensity of moonlight varies greatly depending on the lunar phase, but even the full moon typically provides only about 0.05–0.1 lux illumination. When a full Moon around perigee (a " supermoon") is viewed around upper culmination from the tropics, the illuminance can reach up to 0.32 lux. From Earth, the apparent magnitude of the full Moon is only about that of the Sun. The color of moonlight, particularly around full moon, appears bluish to th ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Royalties
A royalty payment is a payment made by one party to another that owns a particular asset, for the right to ongoing use of that asset. Royalties are typically agreed upon as a percentage of gross or net revenues derived from the use of an asset or a fixed price per unit sold of an item of such, but there are also other modes and metrics of compensation.Guidelines for Evaluation of Transfer of Technology Agreements, United Nations, New York, 1979 A royalty interest is the right to collect a stream of future royalty payments. A license agreement defines the terms under which a resource or property are licensed by one party ( party means the periphery behind it) to another, either without restriction or subject to a limitation on term, business or geographic territory, type of product, etc. License agreements can be regulated, particularly where a government is the resource owner, or they can be private contracts that follow a general structure. However, certain types of franchise ag ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
