No. 4, Section Through the Pricked Line marked D.D.D.D in the plans
1792
1792
1792
1792
1792
1792
circa 1925
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circa 1925
mid-20th century
circa 1815
1934
1921
1942
1995-08-19
circa 1850
1854
circa 1960
1873
1906
1816
1752
mid-20th century
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1933
1953
undated
1804
undated
1950
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1811
1798-05-24
1796
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1855
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undated
undated
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1904
1914-08-01
1952
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1957-09
1948
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circa 1925
1951-09