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2. Rail fastening system - Wikipedia

   en.wikipedia.org/wiki/Rail_fastening_system

   The earliest rail chairs, made of cast iron and introduced around 1800, were used to fix and support cast-iron rails at their ends; [2] they were also used to join adjacent rails. [ 35 ] In the 1830s rolled T-shaped (or single-flanged T parallel rail ) and I-shaped (or double-flanged T parallel or bullhead ) rails were introduced; both required ...

3. Plateway - Wikipedia

   en.wikipedia.org/wiki/Plateway

   A plateway is an early kind of railway, tramway or wagonway, where the rails are made from cast iron. They were mainly used for about 50 years up to 1830, though some continued later. Plateways consisted of L-shaped rails, where the flange on the rail guides the wheels, in contrast to edgeways, where flanges on the wheels guide them along the ...

4. History of the railway track - Wikipedia

   en.wikipedia.org/wiki/History_of_the_railway_track

   Cast iron rails, 4 feet (1.2 m) long, began to be used in the 1790s and by 1820, 15-foot-long (4.6 m) wrought iron rails were in use. The first steel rails were made in 1857 and standard rail lengths increased over time from 30 to 60 feet (9.1–18.3 m).

5. Railway track - Wikipedia

   en.wikipedia.org/wiki/Railway_track

   The iron strap rail coming through the floors of the coaches came to be referred to as "snake heads" by early railroaders. [18] [19] The Deeside Tramway in North Wales used this form of rail. It opened around 1870 and closed in 1947, with long sections still using these rails. It was one of the last uses of iron-topped wooden rails. [20]

6. Rail profile - Wikipedia

   en.wikipedia.org/wiki/Rail_profile

   The rail profile is the cross sectional shape of a railway rail, perpendicular to its length. Early rails were made of wood, cast iron or wrought iron. All modern rails are hot rolled steel with a cross section approximate to an I-beam, but asymmetric about a horizontal axis (however see grooved rail below). The head is profiled to resist wear ...

7. US engaging with UN to ensure Syrians get answers ... - AOL

   www.aol.com/news/us-engaging-un-ensure-syrians...

   The United States is engaged with a number of United Nations bodies to ensure the Syrian people get answers and accountability when it comes to mass graves, detention sites and torture sites in ...