Senter Duwe SejarahsteemCreated with Sketch.

in #senter • last year

Senter minangka piranti daya portabel sing minangka sumber cahya kanggo madhangi lan dioperasikake baterei. Biasane sumber cahya saka bola lampu pijar cilik utawa lampu neon sing dikenal minangka lampu LED. Penemuan senter kasebut bisa ditindakake kanthi panemuan penting sadurunge, yaiku baterei sel garing lan lampu. Ing taun 1898, Perusahaan Karbon Nasional ngenalake penemuan anyar, yaiku baterei sel garing listrik pisanan. Sadurungé maneh ing taun 1879, Thomas Alva Edison nemokaké bohlam lampu pijar. Tokoh utama ing panemuan senter minangka piranti lampu portabel yaiku Conrad Hubert, imigran Rusia. Senter pisanan dikenalaké lan didol ing taun 1898 déning perusahaan sing diduweni Conrad Hubert.

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