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London North Western
Railway:
Midland
Railway:
Stratford
Midland Junction Railway
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Birmingham New Street Station
LNWR Locomotives: lnwrbns_pg1956
LNWR 2-2-2-0 Experiment Compound class No 311 'Richard
Francis Roberts' is seen on the up face of Platform 2 at the East end of the
station in 1903. This class of locomotive numbered thirty in total and although
at first glance it might appear to be a conventional 2-4-0 it had no coupling
rods between the two 6ft 6in wheels. Each pair of wheels was separately driven
by cylinders, the rear set of wheels being driven by two outside high-pressure
cylinders and the front axle being driven by a single large inside low-pressure
cylinder. The class was the start of Webb's fascination with compounding, the
method where steam was used twice to power a locomotive. Built at Crewe in
January 1984 No 311 remained in service for 21 years being withdrawn in July
1905, some two years after this photograph was taken.
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