Great modern inventions

Throughout the nineteenth century, inventors produced simple electric lights. For example, Joseph Swan produced a simple electric light, but, he struggled to maintain a power source and the filament soon burned out when the vacuum was exhausted. It was Thomas Edison who made the lightbulb into a pr...

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Bibliografische gegevens
Hoofdauteur: Messadié, Gérald.
Formaat: Boek
Taal:Undetermined
Gepubliceerd in: New York Chambers 1991
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Thư viện lưu trữ: Trung tâm Học liệu Trường Đại học Cần Thơ
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Samenvatting:Throughout the nineteenth century, inventors produced simple electric lights. For example, Joseph Swan produced a simple electric light, but, he struggled to maintain a power source and the filament soon burned out when the vacuum was exhausted. It was Thomas Edison who made the lightbulb into a practical low current version. He used a filament based on a burned sewing thread.