Rensselaer Semi-Weekly Republican, Volume 22, Number 41, Rensselaer, Jasper County, 8 February 1901 — Protector Against Panics. [ARTICLE]
Protector Against Panics.
A Russian engineer, Prince A. T. Dshavachoff. has invented an electrical apparatus manipulated from the stage of a theater by which, at one touch, doors and exits are opened toward th outside.
