![Fedchenko's astronomical clock](https://img.sputnikimages.com/images/vol1%2Fmedia%2Foriginal%2Fold%2F69%2F54%2F695491_hires_0%3A0%3A0%3A0_1400x1000_80_10_1_Tmlrb2xhaSBQYXNoaW4gIzY5NTQ5MQ%3D%3D_116%3A95_sputnik-695491-preview_1a9c1178b6e735a113f9e61392e23987.jpg)
![Fedchenko's astronomical clock](https://img.sputnikimages.com/images/vol1%2Fmedia%2Foriginal%2Fold%2F69%2F54%2F695491_hires_0%3A0%3A0%3A0_1400x1000_80_10_1_Tmlrb2xhaSBQYXNoaW4gIzY5NTQ5MQ%3D%3D_116%3A95_sputnik-695491-preview_1a9c1178b6e735a113f9e61392e23987.jpg)
Fedchenko's astronomical clock with an isochronal pendulum.
- Categories: Science & Technology
- Location: Russia
- Event date: 01.03.1965
- Date published: 16.06.2010
- Author: Nikolai Pashin
- Credit: Sputnik
- Source: Sputnik
- Original: A208314, 6x4,5 film
- Media: JPEG, 3544x9844px, 4Mb