
Pumps, Ventilating Shaft, Kilsby Tunnel
1837
1837
1837
1847
1837
1838
1837
1837
1837
1850
1837
1837
1837
1837
1837
1898-01
1837
1837
1850/08/10
1837
1836
1899/11
1837
1837
1899/11
1837
1838
1846
circa 1840
1843
1840
1831-1835
1833
1835
circa 1834
3000-1500
1849
1849
1845
1849
1849
1849
1849
1849
1849
1849
1849
1849
1849
1849
1849