Abstract: For thousands of years, if you wanted to send a letter anywhere in the world, you had to use letterlocking. A letterlocker takes a flat sheet of a writing substrate, such as paper, writes a ...
The rich history of a centuries-old document security technology—folding and securing a letter into its own envelope for delivery—and a comprehensive guide to learning how to make your own locked ...
In 1697, a man named Jacques Sennacque wrote a letter to his cousin, a French merchant named Pierre Le Pers, requesting a certified death certificate for another man named Daniel Le Pers (presumably ...
A MODERN CORRESPONDENT wanting to communicate privately can use computerised encryption. Three hundred years ago, origami would have been a better bet. Before gummed envelopes became common in the ...
TECHNICAL ART HISTORY SERIES - Digital imaging methods for Cultural Heritage The Venice Center for Digital and Public Humanities, together with the Rijksmuseum and CWI Amsterdam and NICAS, the ...
In a steady, stately script, an anonymous Dutch writer living around 1700 wrote a letter: “I never thought you’d be such a miserable dog,” it went. “If you’ve got something to say, just say it to my ...
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