
Hospital bed cycle
1946
1946
1955-1975
1946-1960
1982
1948
1986
1928
1973
1931
1962
1967
1942
1948-1975
1951
1933
1955
1955-1965
1927
1947
1932-1942
1955
1938
circa 1930
1951
1945-1955
circa 1950
1924
1947-1958
1955
1938
1936
1979
1935
1946
1982
1927
1940
1960
1957
1940
1957
1957
1955
1975
1957
1967
1930-1960
circa 1938
1938
1953