TY  JOUR
TI  Development of signaling, centralization and blocking devices during the period of industrial capitalism (1861-1900). Part V: Check devices
KW  telegraph apparatus
KW  electric bell
KW  electric bell signalling
KW  telegraph communication
KW  Graftio control recorder
JO  Transport automation research
AU  Lupal, N..
PY  2016
IS  2
PB  FSBEI HE "Emperor Alexander I St. Petersburg State Transport University"