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James Millholland
James Millholland (1812–1875) was an American railway master mechanic who is particularly well known for his invention of many railway mechanisms. His association with the Philadelphia and Reading Railroad Company as master machinist spanned fifty years in the early development of the American railroad. He also founded the locomotive shops at Mount Savage, Maryland, the center of the Cumberland and Pennsylvania Railroad. Millholland's inventions and contributions include the cast-iron crank axle, wooden spring, plate girder bridge, poppet throttle, anthracite firebox, water grate, drop frame, and steel tires. He was also an early user and advocate of the superheater, the feedwater heater A feedwater heater is a power plant component used to pre-heat water delivered to a steam generating boiler. Preheating the feedwater reduces the irreversibilities involved in steam generation and therefore improves the thermodynamic efficiency of ..., and the injector. Several of his inno ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
James Millholland
James Millholland (1812–1875) was an American railway master mechanic who is particularly well known for his invention of many railway mechanisms. His association with the Philadelphia and Reading Railroad Company as master machinist spanned fifty years in the early development of the American railroad. He also founded the locomotive shops at Mount Savage, Maryland, the center of the Cumberland and Pennsylvania Railroad. Millholland's inventions and contributions include the cast-iron crank axle, wooden spring, plate girder bridge, poppet throttle, anthracite firebox, water grate, drop frame, and steel tires. He was also an early user and advocate of the superheater, the feedwater heater A feedwater heater is a power plant component used to pre-heat water delivered to a steam generating boiler. Preheating the feedwater reduces the irreversibilities involved in steam generation and therefore improves the thermodynamic efficiency of ..., and the injector. Several of his inno ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Americans
Americans are the citizens and nationals of the United States of America.; ; Although direct citizens and nationals make up the majority of Americans, many dual citizens, expatriates, and permanent residents could also legally claim American nationality. The United States is home to people of many racial and ethnic origins; consequently, American culture and law do not equate nationality with race or ethnicity, but with citizenship and an oath of permanent allegiance. Overview The majority of Americans or their ancestors immigrated to the United States or are descended from people who were brought as slaves within the past five centuries, with the exception of the Native American population and people from Hawaii, Puerto Rico, Guam, and the Philippine Islands, who became American through expansion of the country in the 19th century, additionally America expanded into American Samoa, the U.S. Virgin Islands and Northern Mariana Islands in the 20th century. ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Reading Company
The Reading Company ( ) was a Philadelphia-headquartered railroad that provided passenger and commercial rail transport in eastern Pennsylvania and neighboring states that operated from 1924 until its 1976 acquisition by Conrail. Commonly called the Reading Railroad, and logotyped as Reading Lines, the Reading Company was a railroad holding company for the majority of its existence and was a single railroad during its later years. It operated service as Reading Railway System and was a successor to the Philadelphia and Reading Railway Company, founded in 1833. Until the decline in anthracite loadings in the Coal Region after World War II, it was one of the most prosperous corporations in the United States. Competition with the modern trucking industry that used the interstate highway system for short-distance transportation of goods, also known as short hauls, compounded the company's problems, forcing it into bankruptcy in 1971. Its railroad operations were merged into Conrail ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Rail Transportation In The United States
Rail transportation in the United States consists primarily of freight shipments, with a well integrated network of standard gauge private freight railroads extending into Canada and Mexico. Passenger service is mainly mass transit and commuter rail in major cities. Intercity passenger service, once a large and vital part of the nation's passenger transportation network, plays a limited role as compared to transportation patterns in many other countries. The United States has the largest rail transport network size of any country in the world. The nation's earliest railroads were built in the 1820s and 1830s, primarily in New England and the Mid-Atlantic region. The Baltimore and Ohio Railroad, chartered in 1827, was the nation's first common carrier railroad. By 1850, an extensive railroad network had begun to take shape in the rapidly industrializing Northeastern United States and the Midwest, while relatively fewer railroads were constructed in the primarily agricultural S ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Mount Savage, Maryland
Mount Savage is an unincorporated community and census-designated place (CDP) in Allegany County, Maryland, United States. As of the 2010 census it had a population of 873. A small blue-collar community, Mount Savage lies at the base of Big Savage Mountain in the Allegheny Mountains, between the cities of Frostburg and Cumberland. It began as a small farming settlement in the mid-19th century, but it was not until 1844 that the region was put on the nation's map with the pressing of the first iron rail in the United States. After this claim to fame, Mount Savage became the fifth largest city in Maryland. Named as the headquarters for the Mount Savage Railroad and later the Cumberland and Pennsylvania Railroad (C&P), the area was deemed an industrial center. In addition to the rail businesses, Mount Savage attracted a foundry, two brick refractories, and several local merchants. In this company town, the industries shaped the economy and topography of Mount Savage, building hous ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Cumberland And Pennsylvania Railroad
The Cumberland and Pennsylvania Railroad (C&P) was an American railroad which operated in Western Maryland. Primarily a coal hauler, it was owned by the Consolidation Coal Company, and was purchased by the Western Maryland Railway (WM) in 1944. The line ran from Cumberland, Maryland to Piedmont, West Virginia, at both points interchanging with the Baltimore and Ohio Railroad. The railroad's shops were located at Mount Savage, Maryland, also the location of its headquarters. On the way to Piedmont the line passed through (and under) Frostburg, Maryland, where the C&P station stands today as the western terminus of the Western Maryland Scenic Railroad. History The Cumberland and Pennsylvania Railroad Company was incorporated on March 4, 1850, with a charter from the Maryland General Assembly. The early charter date reflects the prominence of Mt. Savage as an early foundry of iron rail and manufacturer of locomotives in the United States. The first iron rail rolled in the United ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Crank Axle
A crank is an arm attached at a right angle to a rotating shaft by which circular motion is imparted to or received from the shaft. When combined with a connecting rod, it can be used to convert circular motion into reciprocating motion, or vice versa. The arm may be a bent portion of the shaft, or a separate arm or disk attached to it. Attached to the end of the crank by a pivot is a rod, usually called a connecting rod (conrod). The term often refers to a human-powered crank which is used to manually turn an axle, as in a bicycle crankset or a brace and bit drill. In this case a person's arm or leg serves as the connecting rod, applying reciprocating force to the crank. There is usually a bar perpendicular to the other end of the arm, often with a freely rotatable handle or pedal attached. Examples Familiar examples include: Hand-powered cranks * Spinning Wheel * Mechanical pencil sharpener * Fishing reel and other reels for cables, wires, ropes, etc. *Starti ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Plate Girder Bridge
A plate girder bridge is a bridge supported by two or more plate girders. Overview In a plate girder bridge, the plate girders are typically I-beams made up from separate structural steel plates (rather than rolled as a single cross-section), which are welded or, in older bridges, bolted or riveted together to form the vertical web and horizontal flanges of the beam. In some cases, the plate girders may be formed in a Z-shape rather than I-shape. The first tubular wrought iron plate girder bridge was built in 1846-47 by James Millholland for the Baltimore and Ohio Railroad. Plate girder bridges are suitable for short to medium spans and may support railroads, highways, or other traffic. Plate girders are usually prefabricated and the length limit is frequently set by the mode of transportation used to move the girder from the bridge shop to the bridge site. Generally, the depth of the girder is no less than the span, and for a given load bearing capacity, a depth of aro ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Feedwater Heater
A feedwater heater is a power plant component used to pre-heat water delivered to a steam generating boiler. Preheating the feedwater reduces the irreversibilities involved in steam generation and therefore improves the thermodynamic efficiency of the system.Fundamentals of Steam Power by Kenneth Weston, This reduces plant operating costs and also helps to avoid to the boiler metal when the feedwater is introduced back into the steam cycle. In a steam power plant (usually modeled as a modified |
James A
James is a common English language surname and given name: * James (name), the typically masculine first name James * James (surname), various people with the last name James James or James City may also refer to: People * King James (other), various kings named James * Saint James (other) * James (musician) * James, brother of Jesus Places Canada * James Bay, a large body of water * James, Ontario United Kingdom * James College, a college of the University of York United States * James, Georgia, an unincorporated community * James, Iowa, an unincorporated community * James City, North Carolina * James City County, Virginia ** James City (Virginia Company) ** James City Shire * James City, Pennsylvania * St. James City, Florida Arts, entertainment, and media * ''James'' (2005 film), a Bollywood film * ''James'' (2008 film), an Irish short film * ''James'' (2022 film), an Indian Kannada-language film * James the Red Engine, a character in ''Thomas the Tan ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
1812 Births
Year 181 ( CLXXXI) was a common year starting on Sunday (link will display the full calendar) of the Julian calendar. At the time, it was known as the Year of the Consulship of Aurelius and Burrus (or, less frequently, year 934 '' Ab urbe condita''). The denomination 181 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 * Imperator Lucius Aurelius Commodus and Lucius Antistius Burrus become Roman Consuls. * The Antonine Wall is overrun by the Picts in Britannia (approximate date). Oceania * The volcano associated with Lake Taupō in New Zealand erupts, one of the largest on Earth in the last 5,000 years. The effects of this eruption are seen as far away as Rome and China. Births * April 2 – Xian of Han, Chinese emperor (d. 234) * Zhuge Liang, Chinese chancellor and regent (d. 234) Deaths * Aelius Aristides, Greek orator a ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
1875 Deaths
Events January–March * January 1 – The Midland Railway of England abolishes the Second Class passenger category, leaving First Class and Third Class. Other British railway companies follow Midland's lead during the rest of the year (Third Class is renamed Second Class in 1956). * January 5 – The Palais Garnier, one of the most famous opera houses in the world, is inaugurated in Paris. * January 12 – Guangxu becomes the 11th Qing Dynasty Emperor of China at the age of 3, in succession to his cousin. * January 14 – The newly proclaimed King Alfonso XII of Spain (Queen Isabella II's son) arrives in Spain to restore the monarchy during the Third Carlist War. * February 3 – Third Carlist War – Battle of Lácar: Carlist commander Torcuato Mendíri secures a brilliant victory, when he surprises and routs a Government force under General Enrique Bargés at Lácar, east of Estella, nearly capturing newly crowned King Alfonso XII. The C ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
