Pair of tungstate intensifying screens for use with x-ray film by Ilford
1965-1980
1965-1980
1955-1965
1970-1977
1925-1940
1960-1969
1965-1975
1960-1965
1933-11
1950-1965
1962-1969
1940-1950
1928-1969
1940-1960
1940-1950
1960-1970
1925-1940
1970-1980
1950-1960
circa 1953
1939-12
1939
28 October 1953
1938-04-11
1928-1969
1928-1969
1928-1969
1902
1935-1945
1960-1969
1960-1980
1888-1898