Complex sentence: The Reading, Guildford and Reigate Railway opened the station in 1849 as "Dorking", leased to and worked by the South Eastern Railway, which absorbed it in 1852.
Split into simpler sentences: The Reading, Guildford and Reigate Railway opened the station in 1849 as "Dorking". From the outset it was leased and worked by the South Eastern Railway, which absorbed the RG&RR in 1852.