Record

Reference numberMS/850/3
LevelSeries
TitleOriginal envelopes in which sensitive papers on nuclear fission were sealed
Date1940-1941
Description13 brown paper envelopes labelled to indicate the papers they contain, who deposited them and when. Some are stamped 'On His Majesty's Secret Service' and some of these bear the official classification 'secret'. Some envelopes also have red wax seals either in plain sealing wax or stamped with insignia and decorative motifs. One bears a stamp of the Royal Society in red ink, another the annotation 'Proceedings C' indicating that the paper it contained was intended for eventual publication in 'Proceedings C of the Royal Society'.
Extent13 envelopes
FormatManuscript
Typescript
Access statusOpen
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    Collection highlights

    Browse the records of some of our collections, which cover all branches of science and date from the 12th century onwards. These include the published works of Fellows of the Royal Society, personal papers of eminent scientists, letters and manuscripts sent to the Society or presented at meetings, and administrative records documenting the Society's activities since our foundation in 1660.

    The Royal Society

    The Royal Society is a Fellowship of many of
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