Random triples
| Subject | Object |
|---|---|
| gptkb:Whirlwind | spinning discs |
| gptkb:Wilson_gearbox | clutchless gear change |
| gptkb:Wilson_gearbox | fluid coupling (in some applications) |
| gptkb:Golly!_Ghost! | uses physical diorama with moving parts |
| gptkb:Whirlwind | fan topper |
| gptkb:Wilson_gearbox | preselection lever |