How to measure thousands of volts using mirrors?

podzemnayamosk... - tours of our bunker museum
t.me/muzey_svyazi - our new Telegram channel "Svyaz"
t.me/muzey_svy... - Svyaz chat
boosty.to/podz... - exclusive videos and project support
[e-mail] or Telegram t.me/vnizu_ru - contact us
@podzemnayamoskva - main channel
Today (surprisingly) we'll be exploring a Soviet device for measuring high voltages-a kilovoltmeter. Although it's not directly related to the theme of our museum, we needed it for one of our future projects. We were also just curious about how it works and how it's constructed. So, let's take a look!