The book wheel is a recreation of a 16th century design, solving the problem of needing access to multiple books at the same time.
@Natasha_Jay Also fun: Bookwheels
https://en.m.wikipedia.org/wiki/Bookwheel
@Natasha_Jay
15 is my minimumโฆ
... or, my 'in progress' pile ๐
@Natasha_Jay Nice!โฏ๐
I'm also thinking about all the bookmarksโฆ