However recent research , using early documents and photographs , does not seem to support this belief , and their actual purpose is unknown .
It is commonly believed that these were provided by Brunel to accommodate traversers to carry coaches between the tracks within the station .
Recent research , using early documents and photographs , does not seem to support this belief , and their actual purpose is unknown .
It is commonly believed that these were provided by Brunel to accommodate traversers to carry coaches between the tracks within the station .