Complex sentence: From October 1945 to February 1946 Jellett was superintending civil engineer at Chatham and from 1946 to 1948 was deputy docks engineer for Southern Railway at Southampton Docks.
Split into simpler sentences: From October 1945 to February 1946 Jellett was superintending civil engineer at Chatham. From 1946 to 1948 he was deputy docks engineer for Southern Railway at Southampton Docks.