Thomson v. Amoskeag Manufacturing Co.

The injury found by the master consisted of arousing into activity the germs of tuberculosis which were theretofore present in the workman’s system in an inactive state. Three causes contributing thereto, and each arising in the course of his employment, are found. Poisonous gases were present in the work-place under normal conditions, but these conditions were aggravated by poor ventilation and by the escape of more gases through leaky valves. A third cause was found in the exposure of the workman to extreme cold, when in a heated condition. The inhalation of the gases “irritated his throat…