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The team used a technique called X-ray microtomography
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Computer-generated unfolding sequence of sealed letter DB-1538. Courtesy of the Unlocking History Research Group archive. The letters are from the Brienne Collection, Sound and Vision The Hague, The Netherlands.
The team used a technique called X-ray microtomography
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In 1926, a seventeenth-century trunk containing over 2000 unclaimed letters was bequeathed to the Dutch postal museum. The letters were closed using an ancient technique called letterlocking, in which the writing paper is intricately folded and secured to become its own envelopes. Now an international team of researchers has virtually unfolded and unlocked the contents of one of the letters and the findings were published on Tuesday in
US researchers find way to read sealed historic letters tribune.com.pk - get the latest breaking news, showbiz & celebrity photos, sport news & rumours, viral videos and top stories from tribune.com.pk Daily Mail and Mail on Sunday newspapers.
Researchers have finally read an unopened letter that was mailed back in 1697 but was not delivered after developing a way to virtually “unfold” such letters.