# Perpetual motion

Free to read here, from Project Gutenberg.

4 titles; page 1 of 1.

- [A Budget of Paradoxes, Volume I](https://invisiblenetwork.ai/books/gutenberg/23100) by Augustus De Morgan
- [A Budget of Paradoxes, Volume II](https://invisiblenetwork.ai/books/gutenberg/26408) by Augustus De Morgan
- [Perpetual Motion](https://invisiblenetwork.ai/books/gutenberg/44771) by Percy Verance and Henry Dircks
- [Bangerter's Inventions; His Marvelous Time Clock](https://invisiblenetwork.ai/books/gutenberg/52161) by Everett Lincoln King