# Public Documents

**Descriptive Documents**

- [Bellwether Insights from Acoustic Analysis.pdf](https://docs.bellwether.llc/attachments/134)
- [Bellwether transformer noise sources.pdf](https://docs.bellwether.llc/attachments/135)
- [Bellwether Recording Process.pdf](https://docs.bellwether.llc/attachments/137)
- Slides 
    - [Bellwether Canary for Investors.pdf](https://docs.bellwether.llc/attachments/138)
    - [Bellwether Canary for Utilities.pdf](https://docs.bellwether.llc/attachments/139)