Upminster a number of windmills in Upminster and one of which, a smock mill built in 1803, remains. Local industry included a tannery, gravel extraction and a brick works that was connected to the railway station by a tramway in 1895. The London, Tilbury and Southend Railway from Fenchurch Street was extended from Barking to Upminster in 1885. The underground Whitechapel and Bow Railway opened in 1902 and allowed through services of the District Railway to operate to Upminster. The District converted to electric trains in 1905 and services were cut back to East Ham. Delayed by World War I, electrified
London Underground engineering stock London Underground engineering stock Over the years, London Underground has acquired various types of engineering stock to help with the construction of new lines and maintenance of existing lines. Some of these wagons were inherited from its predecessors, many were built new and some were acquired second-hand from the main-line railways. Several types of specialist wagons have been used, which are described below. London Underground uses a numbering system comprising the wagon number prefixed with a letter which designates the wagon's type. These are summarised below. London Underground has used various designs of brake van. They were used for the