
'Pedoscope' shoe-fitting X-ray viewer
1948-1953
1948-1953
2014
1909-1910
1800-1872
2007
1830-1850
1936
2021
circa 2000
1940-1945
1947
1700-1800
1951
1940-1945
1850-1900
1876-1935
1870-1910
1870-1920
2008-12
1917
1887
circa 2020
circa 2020
1996
2013
1951
2017
1963
1870-1880
1936
2013
1950
1850-1899
1840-1920
1840-1920
1840-1920
1840-1920
2010
1902
1913; circa 900 CE
1927
1905
1928
1924
1953
2020
2020
1930