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thomas edisoin made the phonograh
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lanch to company to produce recording playback machines
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disc phonogrph was made
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amplification systems were made and sold
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audio cassette tapes and the eight track
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sony developedthe first digital recording devices used in professional stuidios
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apple made the ipod
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apple introduced the iphone
Plan projects on a visual timeline
Map milestones, phases, deadlines, and key events in one place so the sequence is easier to see and share. Timetoast is a timeline maker for work, school, research, and stories.