Opening a letter may seem like a straightforward task, but that’s only in the age of mass-produced gummed envelopes, first invented in the 1830s. For hundreds of years before that, many people relied ...
Sealed letters folded in intricate patterns have gone unread for more than 300 years, but now people have been able to tease out their contents with a combination of X-ray imaging and unfolding ...
Three hundred years ago, before envelopes, passwords and security codes, writers often struggled to keep thoughts, cares and dreams expressed in their letters private. One popular way was to use a ...
Three hundred years ago, before envelopes, passwords and security codes, writers often struggled to keep thoughts, cares and dreams expressed in their letters private. One popular way was to use a ...
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