Reading 7 books - you need this tool
Feb. 21st, 2021 01:13 am![[personal profile]](https://www.dreamwidth.org/img/silk/identity/user.png){kind=small}
charisstoma
https://www.reddit.com/r/Antiques/comments/gpo3sa/300_year_old_library_tool_that_enabled_a/
A 300-year-old library tool that enabled a researcher to have seven books open at once
(Mexico City Library)
