Quiz time Quiz on Inventions Scientific Inventions and Names of Inventors - видео

scientificinventions Quiztodayoninventions 0:00 Introduction 0:09 1. Who invented the Mobile or cell phone? 0:44 Who invented Telephone ? 1:19 The inventor of the Electric Bulb is 1:59 Dynamo was invented by....... 2:32 Who Invented Stethoscope ? 3:06 Who invented Radio? 3:37 Who invented TELEVISION ? 4:15 Who invented the Printing Machine? 4:48 Who invented the Calculator ? 5:21 Who invented the Thermometer ?,
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