He figured he and the 40 researchers at his Menlo Park, New Jersey, development lab could come up with a good incandescent bulb in three or four months in 1878.
在1878年，他认为他和在他位于新泽西洲门洛帕克的开发实验室里的40名研究员将在三或四个月内推出一种够好的白炽灯泡。
Edison started his own laboratory at Menlo Park, New Jersey. He hired mechanics and chemists to help him.
爱迪生在新泽西的门洛帕克建立了自己的实验室，他雇佣了机械工和化学师帮忙，他没日没夜地工作。
1880 - In Menlo Park, New Jersey, Thomas Edison performs the first test of his electric railway.
1880年的今天，在美国新泽西州的门罗公园，托马斯·爱迪生首次实验了他发明的电气化铁路。
1880 - In Menlo Park, New Jersey, Thomas Edison performs the first test of his electric railway.
1880年的今天，在美国新泽西州的门罗公园，托马斯·爱迪生首次实验了他发明的电气化铁路。
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