
'Pedoscope' shoe-fitting X-ray viewer
1948-1953
1948-1953
1920-1925
1858
1978
1870
1956
1936-1955
1838
1898
circa 1920
1922-1923
1922-1923
1922-1923
1922-1923
1939-1969
1948-1967
1850-1900
1955-1965
1963
1857-1858
1856
1863-7
1910-1930
1926
1955-1965
1925-1935
1858
circa 1900
circa 1920
1878
1897
1939-1969
About 1970
before 1889
2013
1986-1997
1830
1998
1960
1922-1923
1865-1875
1922-1923
1922-1923
1922-1923
1922-1923