| Tail Vanes | Vol.20.No.3.Pages 7-11 (illus article) |
| Vol.21.No.3.Pages 2-9 (illus article) | |
| Vol.21.No.4.Pages 8, 9, 10, 11 (illus article) | |
| Vol.22.No.4.Pages 8-11 (illus article) | |
| - see - Alston tail vanes | |
| - see - Danks tail vanes | |
| - see - Defiance tail vanes | |
| - see - Eureka tail vanes | |
| - see - Kirkwood tail vanes | |
| - see - Sky tail vanes | |
| - see - Southern Cross tail vanes | |
| - see - Webb tail vanes | |
| Tangent windmill | - see - Danks Tangent windmill |
| Tarnagulla History Group | Vol.23.No.2.Page 11 |
| Tarnagulla State School | Vol.23.No.2.Page 9 |
| Tasmanian Exhibition | Vol.24.No.1.Pages 7, 9 |
| Te Awamutu Bowling Club | Vol.21.No.3.Page 1 (illus) |
| Templeton, Malcolm | Vol.20.No.2.Page 6 |
| Thomas, W. H. | Vol.20.No.3.Page 7 |
| Thos. Wells | - see - Wells, Thos. |
| Timken roller bearings | Vol.23.No.4.Page 10 |
| Titan trademark | Vol.24.No.2.Page 7 |
| Titan windmill | - see - Danks Titan windmill |
| - see - Booth Titan windmill | |
| Tombs & Howcroft Pty. Ltd. | Vol.21.No.2.Page 5 |
| Toowoomba Foundry Co. Limited | Vol.21.No.3.Page 2 |
| Toowoomba Foundry Company | Vol.24.No.3.Pages 6, 7 |
| Toowoomba Showgrounds | Vol.23.No.4.Page 9 |
| Towers | - see - Home-made towers |
| - see - Metters towers | |
| - see - Southern Cross towers | |
| - see - wooden towers | |
| Tower - Tilting | Vol.20.No.3.Page 3 (illus) |
| Trademarks | - see - Titan trademark |
| Trapski, John | Vol.20.No.1.Page 3 |
| Trapski plough | Vol.20.No.1.Page 3 (illus) |
| Treloar, H. W. | Vol.23.No.2.Page 11 |
| T. S. Morrin & Co. | - see - Morrin, T. S. & Co. |
| Turbine windmill | Vol.22.No.1.Page 9 |
| Turbex windmill (South Africa) | Vol.22.No.2.Page 3 |
| Turnbull, Alfred Percy | Vol.22.No.4.Page 6 |
| Vol.23.No.2.Pages 2-6 | |
| Turnbull, Alfred William | Vol.23.No.2.Page 5 |
| Turnbull Electro-windmill | Vol.23.No.2.Pages 2-6 (illus article) |
| Turnbull, George | Vol.23.No.2.Page 5 |
| Turnbull wind generator | Vol.22.No.4.Page 6 |
| - see - Turnbull Electro-windmill | |
| Tuster Economy windmill | - see - Tustin Economy windmill (USA) |
| Tustin Economy windmill (USA) | Vol.20.No.2.Page 9 |
| Vol.24.No.1.Page 6 |