Mercury Break of Popov-Ducretet

Mercury break
Date of appearance: 1899 — 1904
Made in: Paris, France
Dimensions: 350 × 420 × 230 mm
Weight: 8 kg
Tags: russiamakes, рдс, россияделаетсама, политех, polytech

It is intended to serve as a spark trasmitter in Popov's radio. The rotating magnet creates continuous pulses through the сircuit breaker and a mercury container, from which the signals (dot and dash) were produced by means of a key controller. Unlike the electromechanical circuit breaker, the mercury breaker is more reliable and allows you to work with large constant currents as liquid mercury eliminates contact erosion.

Mercury Break of Popov-Ducretet