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Vitamin B12 wet crystal structure model

Vitamin B12 wet crystal structure model

1957-1959

Model of splitting of uranium-235 atom

Model of splitting of uranium-235 atom

1960-1970

Wooden base with stands for eight Thomson atom models

Wooden base with stands for eight Thomson atom models

1960-1961

Case, cut away to reveal the interior, containing ruby laser, the second to operate in the United Kingdom, made at the Services Electronics Research Laboratories, Baldock, in 1961

Ruby laser, the second to operate in the United Kingdom.

1961