Военная история, Военное дело, военная техника и вооружение
Katyusha: Russian Multiple Rocket Launchers, 1941 - Present
Although military rockets have been used since the Middle Ages, it was not until the Soviet Union pioneered the concept of Multiple Rocket Launchers (MRLs) in the late 1930s that they emerged as a decisive weapon. In the modern era, these...
![Методы расчёта магнитных систем электрических аппаратов [Программа Femm]](https://www.rulit.me/data/programs/images/metody-raschyota-magnitnyh-sistem-elektricheskih-apparatov-p_760789.jpg)
