I was messing around earlier with writing in a mirror. Namely looking at a mirror and trying to write the correct way round. In any event it ended up in a conversation on Davinci's Mirror writing and I've actually come to a conclusion why he wrote in reverse.
I'd assume that Davinci had access to a lot of written works within the scribes library and he might of come across various works like thst of the Franciscan friarRoger Bacon (wikipedia.org) . One of the things Roger was known for was some theories on optics and camera obscura (wikipedia.org) .
It's possible therefore that Davinci actually used projection either for enlarging sketchs onto a canvas, or to explain his works to others. One of the points of camera obscura though is that any image that is projected, is both upside-down and inversed. So if any of his sketchbook works were to have notes accompanying a projection, they would have to be written in reverse.
I'd imagine a room of scribes duplicating scripture page by page by having one page projected at a time onto a canvas, and the room of scribes would duplicate that page. Still it's only a theory... well at least until someone pieces together some evidence.
I'd assume that Davinci had access to a lot of written works within the scribes library and he might of come across various works like thst of the Franciscan friar
It's possible therefore that Davinci actually used projection either for enlarging sketchs onto a canvas, or to explain his works to others. One of the points of camera obscura though is that any image that is projected, is both upside-down and inversed. So if any of his sketchbook works were to have notes accompanying a projection, they would have to be written in reverse.
I'd imagine a room of scribes duplicating scripture page by page by having one page projected at a time onto a canvas, and the room of scribes would duplicate that page. Still it's only a theory... well at least until someone pieces together some evidence.