
Cervical cap, ‘Improved Gem’ type
1930-1960
1930-1960
1935
1930-1960
1936
1948-1953
1933-1959
circa 1925
1945
1926
1948
1946
1950-1959
1955
1950-1959
1955
1943
1948
1957
circa 1960
1911
1927
circa 1920
1957
1904
1940
1910
1927
1938
1915
1920
1915
1947
1947
1932-1942
1924
1910
1940
1938
1923-1948
1955
1938
1910-1920
1930-1960
1938
1935
1938
1908
circa 1930
1940
circa 1955