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Autocar Company
The Autocar Company is an American specialist manufacturer of severe-duty, Class 7 and Class 8 vocational trucks, with its headquarters in Birmingham, Alabama. Started in 1897 in Pittsburgh, Pennsylvania, as a manufacturer of Brass Era automobiles, and trucks from 1899, Autocar is the oldest surviving motor vehicle brand in the Western Hemisphere. Their last cars were produced in 1911; after that the company continued as a maker of severe-duty trucks. In 1953, Autocar was taken over by the White Motor Company, which made Autocar their top-of-the-line brand. White was taken over in turn by Volvo Trucks in 1981 with Autocar continuing as a division. In 2001, Autocar was acquired by GVW Group, LLC, which revived Autocar as an independent company. Autocar now builds four models of custom-engineered heavy-duty trucks and has regained leading positions in several vocational segments. History The company was called the ''Pittsburgh Motor Vehicle Company'' when started in Pittsb ...
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Commercial Vehicles
A commercial vehicle is any type of motor vehicle used for transporting goods or paying passengers. The United States defines a "commercial motor vehicle" as any self-propelled or towed vehicle used on a public highway in interstate commerce to transport passengers or property when the vehicle: :1. has a gross vehicle weight rating of 4,536 kg (10,001 pounds) or more :2. Is designed or used to transport more than 8 passengers (including the driver) for compensation; :3. Is designed or used to transport more than 15 passengers, including the driver, not used to transport passengers for compensation; :4. Is used in transporting material found by the Secretary of Transportation to be hazardous. The federal definition though followed closely is meant to accommodate and remain flexible to each state's definitions. The European Union defines a "commercial motor vehicle" as any motorized road vehicle, that by its type of construction and equipment is designed for, and capable o ...
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Ardmore, Pennsylvania
Ardmore is an unincorporated community and census-designated place (CDP) spanning the border between Delaware and Montgomery counties in the U.S. state of Pennsylvania. The population was 12,455 at the 2010 census and had risen to 13,566 in the 2020 census. Ardmore is a suburb on the west side of Philadelphia within Lower Merion Township in Montgomery County and Haverford Township in Delaware County. Originally named "Athensville" in 1853, the community and its railroad station were renamed Ardmore in 1873 by the Pennsylvania Railroad, on whose Main Line, west out of Philadelphia, Ardmore sits at Milepost 8.5. The Autocar Company moved its headquarters to Ardmore in 1899 and constructed a factory on the edge of the downtown area. The factory closed in 1954; during demolition in 1956, a major fire broke out that threatened the downtown area before it was extinguished. Today, Ardmore consistently ranks among the most desirable suburbs of Philadelphia. Geography According to the ...
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Palm Beach, Florida
Palm Beach is an incorporated town in Palm Beach County, Florida. Located on a barrier island in east-central Palm Beach County, the town is separated from several nearby cities including West Palm Beach and Lake Worth Beach by the Intracoastal Waterway to its west, though Palm Beach borders a small section of the latter and South Palm Beach at its southern boundaries. As of the 2020 census, Palm Beach had a year-round population of 9,245, an increase from 8,348 people in the 2010 census. Further, around 25,000 people reside in the town between November and April. The Jaega arrived on the modern-day island of Palm Beach approximately 3,000 years ago. Later, white settlers reached the area as early as 1872, and opened a post office about five years later. Elisha Newton "Cap" Dimick, later the town's first mayor, established Palm Beach's first hotel, the Cocoanut Grove House, in 1880, but Standard Oil tycoon Henry Flagler became instrumental in transforming t ...
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Lake Conemaugh
The South Fork Dam was an earthenwork dam forming Lake Conemaugh (formerly Western Reservoir, also known as the Old Reservoir and Three Mile Dam, a misnomer), an artificial body of water near South Fork, Pennsylvania, United States. On May 31, 1889, the South Fork Dam failed catastrophically and 20 million tons of water from Lake Conemaugh burst, through and raced 14 miles (23 km) downstream, causing the Johnstown Flood. The South Fork Dam was originally built between 1838–1853 by the Commonwealth of Pennsylvania as part of the canal system to be used as a reservoir for the state's Main Line of Public Works canal basin in Johnstown. It was abandoned by the commonwealth, sold to the Pennsylvania Railroad, and sold again to private interests. The dam was 72 feet (22 m) high and 931 feet (284 m) long. Between 1881 when the South Fork Fishing and Hunting Club was opened, and 1889, the dam frequently sprung leaks. It was patched, mostly with mud and straw. Additionally, a pre ...
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Johnstown, Pennsylvania
Johnstown is a city in Cambria County, Pennsylvania, United States. The population was 18,411 as of the 2020 United States Census, 2020 census. Located east of Pittsburgh, Johnstown is the principal city of the Johnstown, Pennsylvania, Metropolitan statistical area, Metropolitan Statistical Area, which includes Cambria County, Pennsylvania, Cambria County. It is also part of the Johnstown-Somerset, PA Combined Statistical Area, which includes both Cambria and Somerset County, Pennsylvania, Somerset Counties. History Johnstown was settled in 1770. The city has experienced three major floods in its history. The Johnstown Flood of May 31, 1889, occurred after the South Fork Dam collapsed upstream from the city during heavy rains. At least 2,209 people died as a result of the flood and subsequent fire that raged through the debris. Another major flood occurred in 1936. Despite a pledge by President Franklin Delano Roosevelt to make the city flood free, and subsequent work to do ...
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Photographer
A photographer (the Greek language, Greek φῶς (''phos''), meaning "light", and γραφή (''graphê''), meaning "drawing, writing", together meaning "drawing with light") is a person who makes photographs. Duties and types of photographers As in other arts, the definitions of amateur and professional are not entirely categorical. An ''amateur photographer'' takes snapshots for pleasure to remember events, places or friends with no intention of selling the images to others. A ''professional photographer'' is likely to take photographs for a session and image purchase fee, by salary or through the display, resale or use of those photographs. A professional photographer may be an employee, for example of a newspaper, or may contract to cover a particular planned event such as a Wedding photography, wedding or graduation, or to illustrate an advertising, advertisement. Others, like Fine art photography, fine art photographers, are freelancers, first making an image and t ...
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Engine Lubrication
Motor oil, engine oil, or engine lubricant is any one of various substances used for the lubrication of internal combustion engines. They typically consist of base oils enhanced with various additives, particularly antiwear additives, detergents, dispersants, and, for multi-grade oils, viscosity index improvers. The main function of motor oil is to reduce friction and wear on moving parts and to clean the engine from sludge (one of the functions of dispersants) and varnish (detergents). It also neutralizes acids that originate from fuel and from oxidation of the lubricant (detergents), improves sealing of piston rings, and cools the engine by carrying heat away from moving parts. In addition to the aforementioned basic constituents, almost all lubricating oils contain corrosion and oxidation inhibitors. Motor oil may be composed of only a lubricant base stock in the case of non-detergent oil, or a lubricant base stock plus additives to improve the oil's detergency, extreme pre ...
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Drive Shaft
A drive shaft, driveshaft, driving shaft, tailshaft (Australian English), propeller shaft (prop shaft), or Cardan shaft (after Girolamo Cardano) is a component for transmitting mechanical power (physics), power and torque and rotation, usually used to connect other components of a drivetrain that cannot be connected directly because of distance or the need to allow for relative movement between them. As torque carriers, drive shafts are subject to torsion (mechanics), torsion and shear stress, equivalent to the difference between the input torque and the load. They must therefore be strong enough to bear the stress, while avoiding too much additional weight as that would in turn increase their inertia. To allow for variations in the alignment and distance between the driving and driven components, drive shafts frequently incorporate one or more universal joints, jaw couplings, or rag joints, and sometimes a Rotating spline, splined joint or prismatic joint. History The term ' ...
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Spark Plug
A spark plug (sometimes, in British English, a sparking plug, and, colloquially, a plug) is a device for delivering electric current from an ignition system to the combustion chamber of a spark-ignition engine to ignite the compressed fuel/air mixture by an electric spark, while containing combustion pressure within the engine. A spark plug has a metal threaded shell, electrically isolated from a central electrode by a ceramic insulator. The central electrode, which may contain a resistor, is connected by a heavily insulated wire to the output terminal of an ignition coil or magneto. The spark plug's metal shell is screwed into the engine's cylinder head and thus electrically grounded. The central electrode protrudes through the porcelain insulator into the combustion chamber, forming one or more spark gaps between the inner end of the central electrode and usually one or more protuberances or structures attached to the inner end of the threaded shell and designated the ''side ...
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Porcelain
Porcelain () is a ceramic material made by heating substances, generally including materials such as kaolinite, in a kiln to temperatures between . The strength and translucence of porcelain, relative to other types of pottery, arises mainly from vitrification and formation of the mineral mullite within the body at these high temperatures. Though definitions vary, porcelain can be divided into three main categories: hard-paste, soft-paste, and bone china. The category that an object belongs to depends on the composition of the paste used to make the body of the porcelain object and the firing conditions. Porcelain slowly evolved in China and was finally achieved (depending on the definition used) at some point about 2,000 to 1,200 years ago; it slowly spread to other East Asian countries, then to Europe, and eventually to the rest of the world. Its manufacturing process is more demanding than that for earthenware and stoneware, the two other main types of pottery, and it ...
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Johnstown Flood
The Johnstown Flood (locally, the Great Flood of 1889) occurred on Friday, May 31, 1889, after the catastrophic failure of the South Fork Dam, located on the south fork of the Little Conemaugh River, upstream of the town of Johnstown, Pennsylvania, United States. The dam ruptured after several days of extremely heavy rainfall, releasing 14.55 million cubic meters of water. With a volumetric flow rate that temporarily equaled the average flow rate of the Mississippi River,Sid Perkins, "Johnstown Flood matched volume of Mississippi River"
''Science News'', Vol.176 #11, 21 November 2009, accessed 14 October 2012
the flood killed 2,209 people and accounted for $17 million of damage (about $534 ...
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South Fork Fishing And Hunting Club
The South Fork Fishing and Hunting Club was a Pennsylvania corporation which operated an exclusive and secretive retreat at a mountain lake near South Fork, Pennsylvania, for more than fifty extremely wealthy men and their families. The club was the owner of the South Fork Dam, which failed during an unprecedented period of heavy rains, resulting in the disastrous Johnstown Flood on May 31, 1889. The failure released an estimated 14.3 million tons of water from Lake Conemaugh, wreaking devastation along the valley of South Fork Creek and the Little Conemaugh River as it flowed about a dozen miles downstream to Johnstown, Pennsylvania, at the confluence of the Little Conemaugh and Stonycreek rivers form the Conemaugh River, a tributary of the Allegheny River. It was the worst disaster event in U.S. history at the time, and relief efforts were among the first major actions of Clara Barton and the newly organized American Red Cross, which she had founded and led. The death toll fr ...
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