Nitrous oxide cylinder
1840-1868
1840-1868
2000-2002
1914-1918
1963
1915-1940
1940-1955
1870-1920
1963
1963
1963
1963
1963
1962
1960-1970
1970-1980
1860-1940
circa 1960
1914-1918
1930-1938