https://www.folger.edu/blogs/collation/the-key-to-removing-a-rod/
There are broadly five types of card catalog rod configurations: - no rod - threaded rod - friction fit rod - lift and pull rod - hidden release rod
https://www.folger.edu/blogs/collation/the-key-to-removing-a-rod/
There are broadly five types of card catalog rod configurations: - no rod - threaded rod - friction fit rod - lift and pull rod - hidden release rod