The excavated material was removed from the staging near Blackfriars Bridge; it was conveyed there from the shields by a narrow gauge railway using electric locomotives supplied by the Siemens Company. Two were in use and a third was on order at August 1895. They operated on gauge track with a twin overhead trolley wire (i.e., not using the track for current return) at .
The excavated m:aterial was removed from the staging near Blackfriars Bridge; it was conveyed there from the shields by a narrow gauge railway using electric locomotives supplied by the Siemens Company. Two were i:n use and a third was on order at August 1895. They operated on gauge track ?with a! twin overhead trolley! wire (i.e., not using the track for current return) at .