Who invented the first long lasting incandescent light bulb
- Who invented the first incandescent light bulb
- Who invented the first practical incandescent light bulb
- Who among the following scientists invented the first long lasting incandescent light bulb
- Who invented the first practiced incandescent light bulb
- Who invented the first successful incandescent light bulb
- Who invented the first efficient incandescent light bulb that was later used in projectors
- Кто изобрел лампочку