| X | |
|---|---|
| X Pattern windmill | - see - Baker Monitor X Pattern windmill |
| Y | TOP |
| Yallalong Station | Vol.4.No.3.Page 1 (illus) |
| Yandilla Estate | Vol.7.No.4.Page 8 |
| Yarra windmill | Vol.3.No.1.Page 7 |
| Vol.4.No.2.Page 2 | |
| Yellowtail windmill | - see - W. D. Moore Yellowtail windmill |
| - see - Metters M Model windmill | |
| Z | TOP |
| Z Pattern windmill | - see - Southern Cross Z Pattern windmill |
| Zenith windmill | - see - Lamb Zenith windmill |
| Zephyr windmill | Vol.1.No.2.Pages 4 (illus), 5 (illus) |
| Vol.5.No.3.Page 3 | |
| Vol.8.No.1.Page 10 | |
| Vol.8.No.2.Pages 1 (illus), 2-8 (illus article) |