Six 'A' end P stock DMs, numbered 13264-13269, were not fitted with any guard's controls, which were fitted on other P stock DMs. These six cars, designated P1 Stock, were used on the through Uxbridge-Barking service in the 1930s and 1940s. Guard's controls were fitted in the 1960s when the Metadyne equipment was replaced by PCM equipment, and the six cars were redesignated P stock.
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Famous quotes containing the word stock:
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—Richard Steele (1672–1729)