| 50 Great Flying and Underwater Perpetual Motion Machines: Most of Them New Contributor(s): Coppedge, Nathan (Author) |
|
 |
ISBN: ISBN-13: 9798854193443 Publisher: Independently Published OUR PRICE: $14.24 Product Type: Paperback Published: July 2023 |
| Additional Information |
| BISAC Categories: - Technology & Engineering | Inventions |
| Physical Information: 0.13" H x 6" W x 9" (0.22 lbs) 64 pages |