The Book of Wireless: Being a Clear Description of Wireless Telegraph Sets and How to Make and Operate Them; Together with a Simple Explanation of How Wireless Works by A. Frederick Collins, D. Appleton and Company, New York 1921

Illustrated, publishers ochre boards stamped in red, black, and white, pp. xvi, 222, [2]

Fair condition, front hinge cracked, rear hinge starting, fraying to spine ends and fore-edge corners, dampstain and rubbing to spine, half title partially loose, bumped corners