| Giver | Post | Date |
| Chudekhukho | Re: By devising an instrument made from a rod, wire, and lead balls, and | 20-Jun-2020 |
| shivani90 | Re: By devising an instrument made from a rod, wire, and lead balls, and | 31-Jul-2019 |
| generis | Re: By devising an instrument made from a rod, wire, and lead balls, and | 19-Jul-2019 |
| Skywalker18 | Re: By devising an instrument made from a rod, wire, and lead balls, and | 19-Jul-2019 |