Jackcooper@lemmy.world to asklemmy@lemmy.ml · 1 year agohow did military commanders in olden times send instructions across hundreds of miles without concern of forgery or interception?message-squaremessage-square36fedilinkarrow-up190arrow-down11file-text
arrow-up189arrow-down1message-squarehow did military commanders in olden times send instructions across hundreds of miles without concern of forgery or interception?Jackcooper@lemmy.world to asklemmy@lemmy.ml · 1 year agomessage-square36fedilinkfile-text
Let me know if there is a better community for this type of question. I am still learning my way around.
minus-squareAkasazh@feddit.nllinkfedilinkarrow-up1·1 year agoAside from the answers already given, the were ways of folding letters that were tamper proof, destructive in opening, called letter locking. Here’s an article on the prachtige: https://arstechnica.com/science/2021/03/locked-for-300-years-virtual-unfolding-has-now-revealed-this-letters-secrets/
Aside from the answers already given, the were ways of folding letters that were tamper proof, destructive in opening, called letter locking.
Here’s an article on the prachtige: https://arstechnica.com/science/2021/03/locked-for-300-years-virtual-unfolding-has-now-revealed-this-letters-secrets/