The study in question contains materials of the third part of a monography manuscript «The development of signaling arrangement on Russian railroads» written by Nikolay Vasiliyevich Lupal, the first head of «Automatics and telemechanics on railroads» department at Leningrad institute of railway engineers. The issues of train safe control at the stations, equipped with mechanical interlocking were touched upon in the given study.
bezopasnost' dvizheniya, zheleznodorozhnye stancii, ruchnye strelki, centralizaciya strelok i signalov, zamykatel'