| ▲ | Oxford Electric Bell(en.wikipedia.org) | |
| 23 points by gurjeet 6 days ago | 2 comments | ||
| ▲ | leni536 a day ago | parent | next [-] | |
Putting aside the discharge through the metal ball, it's impressice that the batteries didn't self discharge. | ||
| ▲ | a day ago | parent | prev [-] | |
| [deleted] | ||