Ke Alakai o Hawaii, Volume VI, Number 9, 29 June 1933 — ELECTRIC FENCE GUARDS RAILWAYS FROM SLIDES [ARTICLE]
ELECTRIC FENCE GUARDS RAILWAYS FROM SLIDES
Designed to preveat ' from crashing mto snow or landslides, an electric fence stands guard &long the trapks of western railways . passing throilgh mountainous countries.
When a slide occurs, the detect i pr fence autonaatically gtops trains on either sicfe by flashing the red signal and informs the dLgjatcher.