Hard covered book titled THE WAY THINGS WORK An Illustrated Encyclopedia of Technology with 1,071 two-color drawings and diagrams, 1969, Fourth Printing, 590 pages.

Here you can look up just about everything that puzzles you, from the telephone to the light meter to X rays to the internal combustion engine to the atomic clock and the laser.
This book is in VG condition, pages intact, and the binding is tight. A must have for any library!