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John Kresse's method of ventilating railway tunnels
ARP23A18_130

John Kresse's method of ventilating railway tunnel...

Engraving depicting the use of a lever to work bellows ventilating a mine
ARP23A16_068

Engraving depicting the use of a lever to work bel...

Revolving wooden wind vanes, 1556
ARP15A00_006

Revolving wooden wind vanes, 1556

Ventilating a mine
ARP07111_009593P

Ventilating a mine

Ventilating a mine
ARP07111_009597P

Ventilating a mine

Three devices for ventilating mines with bellows
ARP07111_009613P

Three devices for ventilating mines with bellows

Ventilating a mine
ARP07111_009615P

Ventilating a mine

Smallpox Hospital, Highgate, London, c1871
ARP07103_460000249

Smallpox Hospital, Highgate, London, c1871

London,Ventilation shaft on Kilsby Tunnel
ARP07103_460000294

London,Ventilation shaft on Kilsby Tunnel