SBM-20
| Project SBM-20 | |
|---|---|
| Investigating the old soviet SBM-20 geiger tube | |
| Status | Initializing |
| Contact | thomas |
| Last Update | 2022-09-16 |
4-in-1 counter
Building a four-in-one geiger counter, to compare tubes with.
| Project SBM-20 | |
|---|---|
| Investigating the old soviet SBM-20 geiger tube | |
| Status | Initializing |
| Contact | thomas |
| Last Update | 2022-09-16 |
Building a four-in-one geiger counter, to compare tubes with.