| Year | 2001 |
| Date | 08-Feb |
| Volume | 187 |
| Issue | 4,162 |
| Page | 640 |
| Category | Hot Air |
| Part | 4 |
| Title | Bailey's Bee. A Vertical Concentric Hot Air Engine |
| Author | Anthony Mount |
| Notes | Displacer and piston components, bearing brackets and links. Displacer top cap, bottom cap, piston, piston collar, pivot bolts, bearing brackets, bracket feet, bearing caps, pivot brackets, the link |