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Tri$ton's Working Conditions Prezi
Transcript of Tri$ton's Working Conditions Prezi
By 1810, about 2,000,000 school-age children were working 50- to 70-hour weeks. Most of them came from poor families. When parents could not support their children, they sometimes turned them over to a mill or factory owner. Many cities around the world historically kept their own time by using some type of instrument to observe the sun’s zenith at noon. The earliest time measuring devices used either the sun’s shadow or the rate in which water runs out of a vessel. The pendulum clock was developed during the 17th century – these clocks were sufficiently accurate to be used at sea to determine longitude and for scientific time measurement in the 18th century. Time Zones In 1863, a committee in New York City, organized by the editor of the New York Sun, began to help women collect wages due them that had not been paid. This organization continued for fifty years. Women and the Unions