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Letterlocking Profile picture
Letterlocking
@letterlocking
Letterlocking™ refers to folding & securing any substrate to function as its own envelope. It's part of a 10,000-year document security tradition.
Dec 10, 2021 • 16 tweets • 9 min read
What security secrets lie hidden in the letters of Elizabeth I and Mary, Queen of Scots? Behold the amazing “spiral lock”, a complex, beautiful, and highly secure letterlocking mechanism. Our research on it is published today! bl.uk/eblj/2021artic… The last letter of Mary Queen of Scots, now in the National The article coincides with a major exhibition at the @BritishLibrary, which includes letterlocking models and videos alongside original documents by both Mary and Elizabeth. bl.uk/events/elizabe… Poster for the British Library Elizabeth and Mary, Royal Cou
Mar 2, 2021 • 13 tweets • 6 min read
Wow, thanks for all the excitement about the Unlocking History article! Ready for some more animations, images, resources, and information? Here we go… (article is live here now: nature.com/articles/s4146…) First of all, how about a deep dive into a locked letterpacket? Just look how detailed these scans of tiny details can be - we think they are breathtaking!
Mar 2, 2021 • 25 tweets • 14 min read
Announcing a world first! Our amazing interdisciplinary team has virtually unfolded and read an unopened letter from 1697 without breaking its seal, and officially launched #letterlocking as a field of study in Nature Communications. nature.com/articles/s4146… #OA [going live today] Like countless historic letters, it was sent using letterlocking - the process of folding and securing a writing substrate to become its own envelope. Our virtual unfolding process shows how this letter has been locked while preserving the packet intact for future study. 2/?