

The Main Metrology Center for Time and Frequency of the USSR. National time standard. Control console.
- Categories: Science & Technology, Environmental Issues
- Location: Moscow, Russia
- Event date: 01.04.1974
- Date published: 20.09.2016
- Author: Roman Denisov
- Credit: Sputnik
- Source: Sputnik
- Original: J74-4919, 35 mm film
- Media: JPEG, 5315x3637px, 3.2Mb