# PTT Tower

> former research and test building on Ostermundigenstrasse in the city of Bern, Switzerland

**Wikidata**: [Q117413399](https://www.wikidata.org/wiki/Q117413399)  
**Source**: https://4ort.xyz/entity/ptt-tower


## References

1. Swiss PCP Inventory 2023
2. Swiss PCP Inventory 2021
3. [Source](https://bauinventar.bern.ch/pdfs/ostermundigenstrasse_93.pdf)
4. [Source](https://www.architekturbibliothek.ch/bauwerk/forschungs-und-entwicklungszentrum-ptt/)
5. [Source](https://map.bern.ch/3d-stadtmodell/)
6. Federal Register of Buildings and Dwellings
7. [Source](https://www.housing-stat.ch/de/query/egid.html?egid=190102564)