Gravitron research debris: loot
| Item | Quantity | Chance per roll |
|---|---|---|
 Aerated sediment[] | 1 | 3/20 |
 Orthenglass[] | 1 | 2/10 |
 Stormguard steel[] | 1 | 3/10 |
 Leather scraps[] | 1 | 2/10 |
 Quintessence[] | 1 | 3/10 |
 Prototype gravimeter (damaged)[] | 1 | 1/2 |
 Songbird recorder (damaged)[] | 1 | 1/2 |
 Project Blackfire[] | 1 | Uncommon |
| Projects Night Owl and Hawkeye [] | 1 | Uncommon |
| Project Carina [] | 1 | Uncommon |
| Project Talon [] | 1 | Uncommon |
| Project Woodpecker [] | 1 | Uncommon |
 Torn blueprint fragments (Howl's workshop)[] | 1 | Uncommon |
 Tetracompass piece (left)[{'content': 'Tetracompass pieces are always dropped in order: tetracompass piece (left), tetracompass piece (right), tetracompass piece (dial), tetracompass piece (needle).', 'name': 'tetracompass'}] | 1 | 1/1,500 |
 Tetracompass piece (right)[{'content': 'Tetracompass pieces are always dropped in order: tetracompass piece (left), tetracompass piece (right), tetracompass piece (dial), tetracompass piece (needle).', 'name': 'tetracompass'}] | 1 | 1/1,500 |
 Tetracompass piece (dial)[{'content': 'Tetracompass pieces are always dropped in order: tetracompass piece (left), tetracompass piece (right), tetracompass piece (dial), tetracompass piece (needle).', 'name': 'tetracompass'}] | 1 | 1/1,500 |
 Tetracompass piece (needle)[{'content': 'Tetracompass pieces are always dropped in order: tetracompass piece (left), tetracompass piece (right), tetracompass piece (dial), tetracompass piece (needle).', 'name': 'tetracompass'}] | 1 | 1/1,500 |
 Complete tome[{'content': "Complete tome drop rate given by the expression \\frac{L+91 }{250,000} , where L is the player's Archaeology level.", 'name': 'tome-91'}] | 1 | 1/2,717 |
 Sealed clue scroll (hard)[] | 1 | 60/500,000 |
 Sealed clue scroll (elite)[] | 1 | 3,960/50,000,000 |
 Sealed clue scroll (master)[] | 1 | 40/50,000,000 |