Soyuz vacuum-tube microphone produced by Pavel Bazdyrev's enterprise in Tula.
- Categories: Labour, Lifestyle & Leisure, Economy, Business & Finance
- Location: Tula, Russia
- Event date: 18.10.2017
- Date published: 18.10.2017
- Author: Evgeny Odinokov
- Source: Sputnik
- Credit: Sputnik
- Original: Digital
- Media: JPEG, 3949x2700px, 7.7Mb