
Crick and Watson's DNA Molecular Model
1953
1953
1953
1955
1960
1955
circa 1956
circa 1956-1959
1960
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1953
1959
1953
1839 (original); circa 1988 (replica)
1960
1955
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circa 1960
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circa 1955
1960
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circa 1955
1958
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1952
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1959
1954
1952
1960
1960
1957
1954
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1954
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1952
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1960
1955