Autoren
Created byEthan Douglas
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Ereignisse
Discovery of electrictyInvention of PaperInvention of Printing PressImprovement in map makingInvention of space telescopesInvention of electron microscopesBinary Number systemInvention of the SextantInvention of pyrometerInvention of Hot-Air BalloonInvention of first batteryInspiration for computersPaper making machineFirst modern photographFirst practical electric motorImproved photgraphsPrinted photographsInvention of phonographDiscovery of liquid crystalsAlternative currentOptical pyrometer
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