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2-4-4T
In Whyte notation, a 2-4-4, or Boston-type, is a steam locomotive with two unpowered leading wheels followed by four powered driving wheels and four unpowered trailing wheels. The wheel arrangement was only used for tank locomotives. Equivalent classifications Other equivalent classifications are: *UIC classification: 1B2 (also known as German classification and Italian classification) *French classification: 122 *Turkish classification: 25 *Swiss classification: 2/5 The equivalent UIC classification is 1′B2′ t (or (1′B)2′ t for a Mason Bogie). Examples This unusual wheel arrangement does not appear to have been used on the mainline railways in the UK. It was however one of the configurations used on the Mason Bogie articulated locomotives, in the USA during the 1870s and 1880s. Five examples were constructed at the Mason Machine Works for the narrow gauge Boston, Revere Beach and Lynn Railroad 1883–1887. The railway subsequently received twenty-one further exampl ...
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Bavarian D XII
The Bavarian Class D XII steam locomotives were manufactured by the firm of Krauss from 1897 for the Royal Bavarian State Railways (''Königlich Bayerische Staatsbahn''). Ninety six of them were procured for service on the stub lines running from Munich into the mountains, but in reality they were stationed in many large Bavarian locomotive depots (''Bahnbetriebswerke'' or ''Bw''). Two engines were transferred to the Palatinate Railway (''Pfalzbahn'') in 1916, the remaining 94 later joined the Deutsche Reichsbahn fleet and were incorporated as DRG Class 73.0-1 with operating numbers 73 031–124. The Palatinate Railway procured the almost identical Palatine P 2.II class in 31 examples during the years 1900 to 1903. 28 engines were taken over as 73 001–028 by the Deutsche Reichsbahn, the remaining three were handed over to the Saar Railway (''Saarbahn''). Between 1903 and 1912, 37 engines went to the Imperial Railways in Alsace-Lorraine (''Reichseisenbahnen in Elsaß-Lothringen' ...
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Whyte Notation
Whyte notation is a classification method for steam locomotives, and some internal combustion locomotives and electric locomotives, by wheel arrangement. It was devised by Frederick Methvan Whyte, and came into use in the early twentieth century following a December 1900 editorial in ''American Engineer and Railroad Journal''. The notation was adopted and remains in use in North America and the United Kingdom to describe the wheel arrangements of steam locomotives (in the latter case also for diesel and electric locomotives), but for modern locomotives, multiple units and trams it has been supplanted by the UIC system in Europe and by the AAR system (essentially a simplification of the UIC system) in North America. Structure of the system Basic form The notation in its basic form counts the number of leading wheels, then the number of driving wheels, and finally the number of trailing wheels, numbers being separated by dashes. For example, a locomotive with two leadi ...
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Mason Bogie Locomotive
Mason Bogie locomotives (also known as Mason Fairlie locomotives) are a type of articulated steam locomotive suited for sharp curves and uneven track, once commonly used on narrow gauge railways in the United States of America. The design is a development of the Single Fairlie locomotive. Concept and Development The American licensee of the Fairlie Patent steam locomotive was the firm of William Mason, located in Taunton, Massachusetts. Mason's first Fairlie locomotive was the ''Janus'', an Double Fairlie built in 1871. It became obvious that, for all the Double Fairlie locomotive's advantages, its disadvantages outweighed them. In 1869, a Single Fairlie locomotive had been designed and constructed by Alexander McDonnell for the Great Southern and Western Railway in Ireland. This had a single boiler with one articulated, powered truck beneath it and a second, unpowered truck beneath the cab and bunker. Mason developed this design, which he called the Mason Bogie (''bogie'' is ...
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Main Line (railway)
The main line, or mainline in American English, of a railway is a track that is used for through trains or is the principal artery of the system from which branch lines, yards, sidings and spurs are connected. It generally refers to a route between towns, as opposed to a route providing suburban or metro services. It may also be called a trunk line, for example the Grand Trunk Railway in Canada, the Trunk Line in Norway, and the Trunk Line Bridge No. 237 in the United States. For capacity reasons, main lines in many countries have at least a double track and often contain multiple parallel tracks. Main line tracks are typically operated at higher speeds than branch lines and are generally built and maintained to a higher standard than yards and branch lines. Main lines may also be operated under shared access by a number of railway companies, with sidings and branches operated by private companies or single railway companies. Railway points (UK) or switches (US) are usuall ...
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ALCO
The American Locomotive Company (often shortened to ALCO, ALCo or Alco) was an American manufacturer of locomotives, diesel generators, steel, and tanks that operated from 1901 to 1969. The company was formed by the merger of seven smaller locomotive manufacturers and Schenectady Locomotive Engine Manufactory of Schenectady, New York. A subsidiary, American Locomotive Automobile Company, designed and manufactured automobiles under the Alco brand from 1905 to 1913. ALCO also produced nuclear reactors from 1954 to 1962. The company changed its name to Alco Products, Incorporated in 1955. In 1964, the Worthington Corporation acquired the company. The company went out of business in 1969. The ALCO name is currently being used by Fairbanks Morse Engine for their FM, ALCO line. Foundation and early history The company was created in 1901 from the merger of seven smaller locomotive manufacturers with Schenectady Locomotive Engine Manufactory of Schenectady, New York: *Brooks Locomot ...
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Manchester Locomotive Works
Manchester Locomotive Works was a manufacturing company located in Manchester, New Hampshire, that built steam locomotives and fire engines in the 19th century. The first locomotive the company built was for the Chicago, Burlington and Quincy Railroad in March 1855. Manchester purchased the locomotive manufacturing operation from the Amoskeag Locomotive Works in 1859. It acquired the steam fire engine business from Amoskeag Locomotive in 1876. In 1901, Manchester and seven other locomotive manufacturing firms merged to form American Locomotive Company (ALCO). Locomotive production ceased in 1913. Preserved Manchester locomotives The following locomotives (listed in serial number order) built by Manchester before the ALCO merger have been preserved. All locations are in the United States unless otherwise noted. File:Mount Washington Cog Railway Ammonoosuc.jpg, Mount Washington Cog Railway #2 Ammonoosuc. File:410 B&M Lowell.jpg, B&M #410 was built for the Boston & Maine Rail ...
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Taunton Locomotive Manufacturing Company
The Taunton Locomotive Manufacturing Company was one of the earliest firms in the United States established especially for the manufacture of steam locomotives. Located in Taunton, Massachusetts, the company was organized in 1849 and incorporated the following year by William A. Crocker, Willard W. Fairbanks, William R. Lee and their associates. Their first engine, the ''Rough and Ready'' was delivered in May 1849. Company history Willard W. Fairbanks was a machinist who had worked in Providence, Rhode Island building stationary and marine engines. The company's first engine was built from castings and plans prepared by George S. Griggs, who had been associated with the Boston & Providence Railroad, one of the earliest railroads in New England, which began operation in 1849. The company's shops were located on Wales Street just west of downtown Taunton along what was then the Taunton Branch Railroad, and later part of the Old Colony Railroad's vast system in Southeastern Massachu ...
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Boston, Revere Beach And Lynn Railroad
The Boston, Revere Beach and Lynn Railroad was a narrow-gauge passenger-carrying shortline railroad between East Boston and Lynn, Massachusetts, from 1875 to 1940. Part of the railroad's right of way now forms the outer section of the Massachusetts Bay Transportation Authority's Blue Line rapid transit service. History The railroad was chartered May 23, 1874, and opened July 29, 1875. A ferry connection from its southern terminus at East Boston connected to Rowes Wharf in the city of Boston proper, with a connection to the Atlantic Avenue Elevated (from 1901 to 1938). The railroad followed the coastline north-eastward through the resort of Revere Beach to the far terminus at Lynn. A branch split at Orient Heights to a loop through Winthrop. The rail laid was light, 30-pound per yard (15 kg/m) rail being installed at first, increased to 50 lb/yd (25 kg/m) in 1885 and 60 lb/yd (30 kg/m) in 1904. It was, however, laid from the beginning on standard g ...
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Narrow Gauge
A narrow-gauge railway (narrow-gauge railroad in the US) is a railway with a track gauge narrower than standard . Most narrow-gauge railways are between and . Since narrow-gauge railways are usually built with tighter curves, smaller structure gauges, and lighter rails, they can be less costly to build, equip, and operate than standard- or broad-gauge railways (particularly in mountainous or difficult terrain). Lower-cost narrow-gauge railways are often used in mountainous terrain, where engineering savings can be substantial. Lower-cost narrow-gauge railways are often built to serve industries as well as sparsely populated communities where the traffic potential would not justify the cost of a standard- or broad-gauge line. Narrow-gauge railways have specialised use in mines and other environments where a small structure gauge necessitates a small loading gauge. In some countries, narrow gauge is the standard; Japan, Indonesia, Taiwan, New Zealand, South Africa, and the Aust ...
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Mason Machine Works
The Mason Machine Works was a machinery manufacturing company located in Taunton, Massachusetts, between 1845 and 1944. The company became famous for an early invention by its creator, William Mason, the self-acting mule, first patented in 1840. The company also later produced locomotives, rifles during the American Civil War, and later printing presses. However, the production of textile machinery would remain the company's core business during the late 19th century, until its decline in the 1920s. Origins The son of a blacksmith born in 1808 at Mystic, Connecticut, William Mason became a skilled master mechanic while still in his teens, working for various companies in the Killingly, Connecticut, area that were involved with machinery for the growing textile industry. In 1835, Mason moved to Taunton, Massachusetts, to work for Crocker and Richmond, a company that made ring spinning frames for the cotton textile industry. While the firm failed in the financial crisis of 1837, ...
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