![InMarchof1895,CharlesFrancisJenkins,ayounggovernmentcle...]( "InMarchof1895,CharlesFrancisJenkins,ayounggovernmentcle...")
- 问题详情：InMarchof1895,CharlesFrancisJenkins,ayounggovernmentclerkinWashingtonenteredintoanagreementwithThomasArmat,afellowstudentattheBlissSchoolofElectricity.Theiraimwastodevelopamotionpicturedevice(设备).Jenkinshadalreadyinventedadeviceforviewingmo...
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