R. B. Longridge and Company
Encyclopedia
R. B. Longridge and Company was established in 1785 at Bedlington
Bedlington
Bedlington is a town in Northumberland, to the north of the Tyne and Wear urban area. It lies north of Newcastle and southeast of the county town of Morpeth. Other nearby places include Ashington to the north northeast, Blyth to the east and Cramlington to the south.The parish of Bedlington...

, Northumberland
Northumberland
Northumberland is the northernmost ceremonial county and a unitary district in North East England. For Eurostat purposes Northumberland is a NUTS 3 region and is one of three boroughs or unitary districts that comprise the "Northumberland and Tyne and Wear" NUTS 2 region...

, England. Its proprietor was Michael Longridge who also managed Robert Stephenson
Robert Stephenson
Robert Stephenson FRS was an English civil engineer. He was the only son of George Stephenson, the famed locomotive builder and railway engineer; many of the achievements popularly credited to his father were actually the joint efforts of father and son.-Early life :He was born on the 16th of...

's works during the latter's absence abroad. He was also proprietor of the Bedlington Ironworks
Bedlington Ironworks
Bedlington Ironworks, in Blyth Dene, Northumberland, England, operated between 1736 and 1867. It is most remembered as the place where wrought iron rails were invented by John Birkinshaw in 1820, which triggered the railway age, with their first major use being in the Stockton and Darlington...

 which pioneered the rolling of long malleable iron
Malleable iron
Malleable iron is cast as White iron, the structure being a metastable carbide in a pearlitic matrix. Through an annealing heat treatment the brittle as cast structure is transformed. Carbon agglomerates into small roughly speherical aggregates of graphite leaving a matrix of ferrite or pearlite...

 rails.

Locomotives

The first locomotive was an 0-6-0
0-6-0
Under the Whyte notation for the classification of steam locomotives, 0-6-0 represents the wheel arrangement of no leading wheels, six powered and coupled driving wheels on three axles, and no trailing wheels...

 called Michael Longridge for the Stanhope and Tyne Railway
Stanhope and Tyne Railway
The Stanhope and Tyne Railway was opened in 1834 from Stanhope, in County Durham, UK, to Tyne Dock in South Shields, via Consett. It originally provided a link between the limestone quarries at Stanhope and coal mines at Stanhope for the production of lime, with an outlet to the Tyne down river of...

. This was followed by a number of 2-2-2
2-2-2
Under the Whyte notation for the classification of steam locomotives, 2-2-2 represents the wheel arrangement of two leading wheels on one axle two powered driving wheels on one axle, and two trailing wheels on one axle. The wheel arrangement both provided more stability and enabled a larger firebox...

 locomotives for several European railways, including Arend
Arend
Arend was one of the two first steam locomotives in the Netherlands. It was a 2-2-2 Patentee type built in England by R. B. Longridge and Company of Bedlington, Northumberland. On 20 September 1839, together with the Snelheid , it hauled the first train between Amsterdam and Haarlem...

the first locomotive to work on a public railway in the Netherlands. Some broad gauge
Broad gauge
Broad-gauge railways use a track gauge greater than the standard gauge of .- List :For list see: List of broad gauges, by gauge and country- History :...

 singles were also built in 1841 for Daniel Gooch
Daniel Gooch
Sir Daniel Gooch, 1st Baronet was an English railway and transatlantic cable engineer and Conservative politician who sat in the House of Commons from 1865 to 1885...

 of the Great Western Railway
Great Western Railway
The Great Western Railway was a British railway company that linked London with the south-west and west of England and most of Wales. It was founded in 1833, received its enabling Act of Parliament in 1835 and ran its first trains in 1838...

.

Business increased in 1846 with about sixty engines for the London and Birmingham Railway
London and Birmingham Railway
The London and Birmingham Railway was an early railway company in the United Kingdom from 1833 to 1846, when it became part of the London and North Western Railway ....

, the Midland Railway
Midland Railway
The Midland Railway was a railway company in the United Kingdom from 1844 to 1922, when it became part of the London, Midland and Scottish Railway....

 and the London, Brighton and South Coast Railway
London, Brighton and South Coast Railway
The London, Brighton and South Coast Railway was a railway company in the United Kingdom from 1846 to 1922. Its territory formed a rough triangle, with London at its apex, practically the whole coastline of Sussex as its base, and a large part of Surrey...

. While the export trade experienced a lull, orders continued to be fulfilled for the home railways, including ten 4-2-0
4-2-0
Under the Whyte notation for the classification of steam locomotives, 4-2-0 represents the wheel arrangement of four leading wheels on two axles, two powered and coupled driving wheels on one axle, and no trailing wheels...

 Crampton locomotive
Crampton locomotive
A Crampton locomotive is a type of steam locomotive designed by Thomas Russell Crampton and built by various firms from 1846. The main British builders were Tulk and Ley and Robert Stephenson and Company....

s for the Great Northern Railway
Great Northern Railway (Great Britain)
The Great Northern Railway was a British railway company established by the Great Northern Railway Act of 1846. On 1 January 1923 the company lost its identity as a constituent of the newly formed London and North Eastern Railway....

, which were later converted to 2-2-2
2-2-2
Under the Whyte notation for the classification of steam locomotives, 2-2-2 represents the wheel arrangement of two leading wheels on one axle two powered driving wheels on one axle, and two trailing wheels on one axle. The wheel arrangement both provided more stability and enabled a larger firebox...

s by Archibald Sturrock
Archibald Sturrock
Archibald Sturrock was a Scottish mechanical engineer who was locomotive superintendent of the Great Northern Railway from 1850 until c. 1866, having from 1840 been Daniel Gooch's assistant on the Great Western Railway....

.
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