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...
Bewaard in:
| Hoofdauteur: | |
|---|---|
| Formaat: | Boek |
| Taal: | Undetermined |
| Gepubliceerd in: |
New York
Chambers
1991
|
| Onderwerpen: | |
| Tags: |
Voeg label toe
Geen labels, Wees de eerste die dit record labelt!
|
| Thư viện lưu trữ: | Trung tâm Học liệu Trường Đại học Cần Thơ |
|---|
| 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. |
|---|