Many of the 500 men and women employed at the Triangle Shirtwaist Factory in the early 1900's labored over sewing machines like this one. They made women's blouses for nine hours a day, six days a week, in unsafe and unsanitary conditions for very little money. On March 25, 1911, a discarded match or cigarette lit a fire in a scrap bin on the eight floor of the factory building. The work area exit doors had been locked to keep worker in, and the fire escape collapsed from the weight of those who tried to flee. Fire department ladders were too short to reach the burning eight, ninth and tenth floors. 146 workers died, one of the deadliest industrial accidents in United States history.