Book 3 — A Homemade Book Holder

Nails Driven in a Board and Bent in the Shape of Screw Hooks to Hold a Book

A piece of board and four finishing nails furnished me with the necessary materials to construct a book-holding apparatus when in a hurry. Each nail, being driven through the board, could be turned to release, and pulled out far enough to accommodate a thicker book. In fact the device was adjustable.