Engineers Working On Cables Near The Severn Railway Tunnel, Gloucestershire, 1940.
Engineers Working On Cables Near The Severn Railway Tunnel, Gloucestershire, 1940.
Engineers Working On Cables Near The Severn Railway Tunnel, Gloucestershire, 1940.
Engineers Laying Underground Cable, 1951.
Engineers Working On The Construction Of The New London Central Exchange, 1901.
Engineers Working On The Construction Of The New London Central Exchange, 1901.
Engineers Laying Underground Cable, 1951.
Engineers Laying Underground Cable, 1951.
Engineers Working On The Construction Of The New London Central Exchange, 1901.
Engineers Working On Cables Near The Severn Railway Tunnel, Gloucestershire, 1940.
Engineers Working On The Construction Of The New London Central Exchange, 1901.