![InMarchof1895,CharlesFrancisJenkins,ayounggovernmentcle...]( "InMarchof1895,CharlesFrancisJenkins,ayounggovernmentcle...")
- 問題詳情：InMarchof1895,CharlesFrancisJenkins,ayounggovernmentclerkinWashingtonenteredintoanagreementwithThomasArmat,afellowstudentattheBlissSchoolofElectricity.Theiraimwastodevelopamotionpicturedevice(設備).Jenkinshadalreadyinventedadeviceforviewingmo...
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