Altersschwach Schneewittchen Erbe london underground ventilation Menge Arbeiten Grab
Hidden London tours: Euston's lost tunnels
B/W print; St Pauls Underground station - Central Line Tunnel Ventilation viewing inclined imperial iron ventilation tunnel to base of ventilation shaft by M Parsons, 28th July 1977 | London Transport Museum
Shaft! 3 – Shaft in London (Blackwall Tunnel, London, UK) – The Beauty of Transport