3 ms·
You're forgetting Joseph Swan: https://en.wikipedia.org/wiki/Joseph_Swan#Electric_light https://en.wikipedia.org/wiki/Joseph_Swan#Electric_light
by UncleSlacky 9y ago
You're forgetting Joseph Swan:
https://en.wikipedia.org/wiki/Joseph_Swan#Electric_light https://en.wikipedia.org/wiki/Joseph_Swan#Electric_light
- WalterBright 9y agoNo I didn't. From the article you cited: "Swan's carbon rod lamp and carbon filament lamp, while functional, were still relatively impractical due to low resistance (needing very expensive thick copper wiring) and short running life." It also mentions the high current. As I remarked, Edison's breakthrough was the thin-filament high voltage, low current lamp, which made it practical.