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/
Carrier pigeons? Idk.
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/