Metropolitan railway class D
The Metropolitan Railway Class D locomotives was a group comprising of six locomotives that were constructed by Sharp Stewart and Company between 1894 and 1895. Four of the locomotives ran from Baker Street to Aylesbury with two locomotives running between Verney Junction and Aylesbury, the Baker Street fleet where fitted with condensing apparatus but this was later removed. These were withdrawn in 1920, with some being sold and others scrapped. There are no surviving locomotives.