A standard quartz clock at a laboratory of the All-Union Science and Technical Institute of Physical-Technical and Radio-Technical Measurements (VNIIFTRI) in the town of Mendeleyevo in the Moscow Region.
- Categories: Science & Technology
- Location: Moscow region, Russia
- Event date: 18.12.1969
- Date published: 28.05.2020
- Author: Alexander Ustinov
- Credit: Sputnik
- Original: A69-15179, 35 mm film
- Media: JPEG, 3543x5362px, 7.1Mb