The
London and North Western Railway
The London and North Western Railway (LNWR, L&NWR) was a British railway company between 1846 and 1922. In the late 19th century, the L&NWR was the largest joint stock company in the United Kingdom.
In 1923, it became a constituent of the Lo ...
(LNWR) had three classes of steam locomotive identified as Precursor Class:
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LNWR Webb Precursor Class of 1874–1879 by Francis Webb, a 2-4-0
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LNWR Whale Precursor Class
The London and North Western Railway (LNWR) "Precursor" Class was a type of 4-4-0 ("Atlantic") steam locomotive designed by the company's Chief Mechanical Engineer, George Whale. Introduced in 1904, it should not be confused with the LNWR 2-4-0 ...
of 1904–1907 by George Whale, a 4-4-0
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LNWR Precursor Tank Class, 4-4-2 tank engines based on the Whale precursors
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