Laying Underground Cables In Maida Vale, London, 1939.
Engineers Working On Cables Near The Severn Railway Tunnel, Gloucestershire, 1940.
Engineers Working On Cables Near The Severn Railway Tunnel, Gloucestershire, 1940.
Laying Underground Cables In Maida Vale, London, 1939.
Engineers Working On The Construction Of The New London Central Exchange, 1901.
Laying Underground Cables In Maida Vale, London, 1939.
Engineers Soldering And Jointing Telephone Cable, 1945.
Engineers Working On Cables Near The Severn Railway Tunnel, Gloucestershire, 1940.
Laying Underground Cables In Maida Vale, London, 1939.
Engineers Soldering And Jointing Telephone Cable, 1945.
Engineers Working On Cables Near The Severn Railway Tunnel, Gloucestershire, 1940.
Engineers Soldering And Jointing Telephone Cable, 1945.
Engineers Working On Cables Near The Severn Railway Tunnel, Gloucestershire, 1940.
Engineers Working On The Construction Of The New London Central Exchange, 1901.