Timeline for How can a person Insulate copper wire in a medieval world?
Current License: CC BY-SA 4.0
2 events
| when toggle format | what | by | license | comment | |
|---|---|---|---|---|---|
| Nov 13, 2019 at 15:25 | comment | added | A E | Gutta percha is the right stuff. qz.com/785119/… | |
| Nov 12, 2019 at 22:28 | history | answered | Christopher Hostage | CC BY-SA 4.0 |