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The Machine Age〔(Mentality and freedom By William Armstrong Fairburn. Page 219. )〕〔(The Playground, Volume 15 By Playground and Recreation Association of America )〕〔(Public libraries, Volume 6 )〕 is an era that includes the early 20th century, sometimes also including the late 19th century. An approximate dating would be about 1880 to 1945. Considered to be at a peak in the time between the first and second world wars, it forms a late part of the Industrial Age. By the mid to late 1940s, the atom bomb,〔http://www.capitalcentury.com/1944.html〕 the first computers,〔http://www.scl.ameslab.gov/ABC/Articles/First-computer.html〕 and the transistor came into being,〔http://www.cedmagic.com/history/transistor-1947.html〕 beginning the contemporary era of high technology and thus ending the intellectual model of the machine age founded in the mechanical and heralding a new more complex model of high-technology. ==Universal chronology == ImageSize = width:800 height:88 PlotArea = width:720 height:55 left:65 bottom:20 AlignBars = justify Colors = id:time value:rgb(0.7,0.7,1) # id:period value:rgb(1,0.7,0.5) # id:age value:rgb(0.95,0.85,0.5) # id:era value:rgb(1,0.85,0.5) # id:eon value:rgb(1,0.85,0.7) # id:filler value:gray(0.8) # background bar id:black value:black Period = from:1880 till:1950 TimeAxis = orientation:horizontal ScaleMajor = unit:year increment:10 start:1880 ScaleMinor = unit:year increment:1 start:1880 PlotData = align:center textcolor:black fontsize:8 mark:(line,black) width:11 shift:(0,-5) bar:Decades color:era from:1880 till:1890 text:1880s from:1890 till:1900 text:Gay Nineties from:1900 till:1910 text:1900s from:1910 till:1920 text:1910s from:1920 till:1930 text:Roaring Twenties from:1930 till:1940 text:Great Depression from:1940 till:1950 text:1940s bar:Movements color:era from:1880 till:1940 shift:(10,5) text:Second Industrial Revolution from:1880 till:1895 text:Gilded Age from:1895 till:1925 text:Progressive Era from:1895 till:1940 shift:(0,-10) text:Liberalism from:1925 till:1940 shift:(25,5) text:New Deal from:1925 till:1940 shift:(-25,0) text:Nazism from:1940 till:1950 shift:(-25,5) text:World War II from:1945 till:1950 color:filler text:Cold War bar: color:era from:1880 till:1950 text:Machine Age from:1945 till:1950 color:filler text:Atomic Age 抄文引用元・出典: フリー百科事典『 ウィキペディア（Wikipedia）』 ■ウィキペディアで「machine age」の詳細全文を読む スポンサード リンク
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