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The introduction of the 4-6-2 design in 1901 has been described as "a veritable milestone in locomotive progress". [3] On many railways worldwide, Pacific steam locomotives provided the motive power for express passenger trains throughout much of the early to mid-20th century, before either being superseded by larger types in the late 1940s and 1950s, or replaced by electric or diesel-electric ...
Category:4-6-2 locomotives. Category. : 4-6-2 locomotives. Front of locomotive at left. Wikimedia Commons has media related to 4-6-2 locomotives. Locomotives classified 4-6-2 under the Whyte notation of locomotive axle arrangements. The equivalent UIC classification of locomotive axle arrangements is 2C1 or 2'C1'.
The Union of Soviet Socialist Republics[ u ] (USSR), [ v ] commonly known as the Soviet Union, [ w ] was a transcontinental country that spanned much of Eurasia from 1922 to 1991. During its existence, it was the largest country by area, extending across eleven time zones and sharing borders with twelve countries, and the third-most populous ...
Learning disorders. Motor skills disorders. Communication disorders. Pervasive developmental disorders. Attention-deficit and disruptive behavior disorders. Feeding and eating disorders of infancy or early childhood. Tic disorders. Elimination disorders. Other disorders of infancy, childhood, or adolescence.