In 1967 the now-flagship of the museum fleet was acquired, 1905-built Bagnall 2-4-0T 1781 'Polar Bear', from the Groudle Glen Railway.
1967 wurde das heutige Flaggschiff des Museums erworben, die 1905 gebaute Bagnall 2-4-0T Nr. 1781 'Polar Bear' der Groudle Glen Railway.