Incoming Resources
- Audel mechanical trades pocket manual
- The Usborne big book of big machines, written by Minna Lacey ; illustrated Gabriele Antonini ; edited by Jane Chisholm and Jenny Tyler
- Machines go to work, William Low
- The wheel, inventions & reinventions, Richard W. Bulliet
- Making things move, DIY mechanisms for inventors, hobbyists, and artists, Dustyn Roberts
- Wheels, David and Patricia Armentrout
- Audel millwrights and mechanics guide, Thomas Bieber Davis, Carl A. Nelson
- Scrapers, by Derek Zobel