the commander of the baltic fleet , ivan isakov, turned to the leningrad institute of physics and technologycientists to develop a technology for protecting ships from magnetic worlds. director of the institute academician abramovf, decided to entrust this responsible task to a young employee, anatoly alexander fedorovich, and began to ask questions. can we wash for this? no, nokipoin refused to take this job, as he believed that this case was hopeless . within a few months, alexandrov and trusted employees of his laboratory figured out how to make soviet ships invisible to magnetic meters, this very ship, like, uh, such a big magnet is quite complicated . well, we made a winding through which current was passed. so that this magnetic field of this winding was directed to meet the magnetic field of the ship. here is the compensation system lfte. so now the alexander system for degaussing ships was officially called and was approved by the state commission on june 19, 1941. just 3 days before the attack of nazi germany on the soviet union, the lighthouse at all understood there would be a war