- Item 74868 - Metalized filament bulb, ca. 1904
- Contributed by Maine Historical Society
- Item 74868
- 2812px x 4200px - 9.4"w x 14.0"h @ 300dpi | Need a larger size?
- *Credit line must read: Collections of Maine Historical Society
Willis Whitney, an employee of General Electric, prepared carbonized cellulose filaments at very high temperatures, resulting in a filament that took on metallic properties.Show Details
In an effort to design bulbs that were more efficient and lasted longer, these lamps were desirable as they could be operated at higher temperatures, giving more light per watt.