
Lead sheet to protect healthy skin during X-ray treatment
1912
1912
1914-1918
1925
1914-1918
1917
1910-1920
1927
1919
1917
1917
1916
1908
30-300
1909
circa 1925
2000-1350
1914-1918
10,000-2,000 BCE
1914-1918
1925-1927
after 1924
1914-1920
1914-1918
1914-1918
1910-1918
1910-1918
1910-1918
1914-1918
1910
1914-1918
1910-1918
1950-1900
1914-1920
1915-1918
1917
circa 1920
1925
1952-3
1952-3
1910
1922
1918
1910-1920
4000-30 BCE
10000-5000 BCE
1910-1911
1977; 1204-1206
1917
10000-500 BCE
1914-1918