this post was submitted on 02 Oct 2024
312 points (99.4% liked)
Illustrations of history
1784 readers
308 users here now
This magazine is for sharing artwork of historical events, places, personages, etc. Scale models and the like also welcome!
Generally speaking, actual photos of a historical item should go to !historyartifacts@lemmy.world
Photos of ruins should go to !historyruins@lemmy.world
Photos of the past should go to !HistoryPorn@lemmy.world
founded 1 year ago
MODERATORS
you are viewing a single comment's thread
view the rest of the comments
view the rest of the comments
How does that siphon work? I would think they would need a pump of some kind, even if it's just a bunch of Roman workers/slaves turning an Archimedes Screw, to get the water to go uphill.
If you’ve ever used a siphon to drain a fish tank, it’s a similar concept. I believe the entrance is a bit higher than the exit, so I guess gravity and water pressure?
It needs to be water pressure because atmospheric pressure can’t lift water more than about 10 metres.