| Gardner, Robert Ltd. | Vol.24.No.2.Page 11 |
| Garrett, Elizabeth Louisa Florence | Vol.21.No.4.Page 4 |
| Garrett, William Joseph | Vol.21.No.4.Pages 4, 5 |
| Garsson, Henry | Vol.23.No.4.Page 2 |
| Garsson, Murray | Vol.23.No.4.Page 2 |
| Gash, Justin | Vol.20.No.3.Page 6 |
| Geared windmills | - see - Aermotor 602 windmill |
| - see - Alston Double Crank windmill | |
| - see - Booth Kiwi windmill | |
| - see - Bryan Bros. 1935 Pattern Single Geared Oil Enclosed windmill | |
| - see - Bryan Bros. 1939 Pattern Enclosed Double Geared windmill | |
| - see - Bryan Bros. Oil Enclosed Double Geared windmill | |
| - see - Bryan Bros. Oil Enclosed windmill | |
| - see - Burns & Twigg New Dandy windmill | |
| - see - Challenge 24 windmill | |
| - see - Challenge 26 windmill | |
| - see - Challenge 27 windmill | |
| - see - Challenge Dandy windmill | |
| - see - Challenge Dandy Irrigator windmill | |
| - see - Challenge Steel windmill | |
| - see - Challenge Timken Roller-Bearing Self-Oiling windmill | |
| - see - Challenge X-Ray windmill | |
| - see - Elgin Wonder Model A windmill | |
| - see - Elgin Wonder Model B windmill | |
| - see - Flint & Walling Star Model 12 windmill | |
| - see - Kirkwood Iron Wind Engine | |
| - see - Martin Clipper windmill | |
| - see - MBP M windmill | |
| - see - Metters KM windmill | |
| - see - Metters K windmill | |
| - see - Metters M windmill | |
| - see - Metters Master Nuoil windmill | |
| - see - Metters SM windmill | |
| - see - Mono windmill | |
| - see - Red Cross windmill | |
| - see - Russell windmill | |
| - see - Shearer M windmill | |
| - see - Southern Cross 1903 windmill | |
| - see - Southern Cross 1911 windmill | |
| - see - Southern Cross 1913 Western Model windmill | |
| - see - Southern Cross Classic windmill | |
| - see - Southern Cross F Pattern windmill | |
| - see - Southern Cross G Pattern windmill | |
| - see - Southern Cross H Pattern windmill | |
| - see - Southern Cross IZ Pattern windmill | |
| - see - Southern Cross Z Pattern windmill | |
| - see - Sun windmill | |
| - see - Yellowtail windmill | |
| - see - Zenith windmill | |
| Gear ratios | Vol.20.No.2.Page 4 |
| Vol.22.No.4.Page 9 | |
| General Industries Ltd. | Vol.20.No.2.Page 6 |
| - see also Metters Ltd. | |
| Geo. E. Clark and Sons | - see - Clark, Geo. E. and Sons |
| Geo. E. Fortescue & Sons Ltd. | - see - Fortescue, Geo. E. & Sons Ltd. |
| George Wills & Co. | - see - Wills, George & Co. |
| Gibbs, Bright & Co. | Vol.20.No.2.Page 10 |
| Gibson Battle and Co. | Vol.21.No.2.Page 5 |
| Gibson, Hugh | Vol.21.No.3.Page 10 |
| Gillis, Christopher | Vol.24.No.1.Page 7 |
| Gisborne Alston windmill | - see Alston Windmills Pty. Ltd. |
| Glastonbury, Thomas | Vol.20.No.1.Pages 9, 10 |
| Vol.20.No.2.Pages 2-7 (article author) | |
| Vol.20.No.3.Pages 7-11 (article author) | |
| Vol.20.No.4.Pages 2-3 (article author) | |
| Vol.21.No.1.Page 4 (illus) (article author) | |
| Vol.21.No.2.Pages 2, 3, 7-10 (article author) | |
| Vol.21.No.3.Pages 2-9, 11 (articles author) | |
| Vol.22.No.1.Page 7 (article author) | |
| Vol.22.No.2.Pages 2-8 (articles author) | |
| Vol.22.No.3.Pages 1-11 (article author) | |
| Vol.22.No.4.Pages 8-11 (article author) | |
| Vol.23.No.2.Pages 2-6 (article author) | |
| Vol.23.No.3.Pages 2-4, 7, 8-10 (articles author) | |
| Vol.23.No.4.Pages 1-11 (article author) | |
| Vol.24.No.1.Pages 1, 10 | |
| Vol.24.No.2.Pages 10-11 (article author) | |
| Vol.24.No.3.Pages 3-6, 6-11 (articles author) | |
| Glenn, Mr | Vol.23.No.4.Page 9 (illus) |
| Golden Age Hotel | Vol.23.No.2.Page 11 |
| Goldfields Diamond Drilling Co. | Vol.24.No.2.Pages 10, 11 |
| Gordon, David | Vol.23.No.2.Page 11 |
| Gore Club | Vol.23.No.3.Page 4 |
| Goulds pump | Vol.20.No.4.Page 9 |
| G Pattern windmill | - see - Southern Cross G Pattern windmill |
| Graham, James Barton | Vol.23.No.3.Page 3 |
| Grand February Show - Adelaide | Vol.20.No.2.Page 10 |
| Green, J. R. | Vol.23.No.4.Pages 4, 9 |
| Green, Tony | Vol.22.No.4.Page 11 |
| Gresham Hotel | Vol.20.No.2.Page 8 (illus) |
| Grieg, Harry | Vol.20.No.4.Pages 5, 6 |
| Grieve, James | Vol.24.No.1.Page 10 |
| Griffiths, Bert | Vol.23.No.3.Page 8 |
| Vol.24.No.3.Pages 6, 7, 8, 9 | |
| Griffiths Bros. | Vol.21.No.3.Page 2 |
| Griffiths Bros. windmill | Vol.21.No.3.Page 2 |
| Griffiths, George Herbert | - see - Griffiths, Bert |
| Griffiths, Thomas | Vol.20.No.3.Page 7 |
| Gyro Wind Pump | - see - Moorhouse Gyro Wind Pump |