![Nikola Tesla (1856-1943), 1919. Tesla in 1919 holding a gas-filled phosphor coated wireless light bulb which he developed in the 1890's to replace incandescent lamp Stock Photo - Alamy Nikola Tesla (1856-1943), 1919. Tesla in 1919 holding a gas-filled phosphor coated wireless light bulb which he developed in the 1890's to replace incandescent lamp Stock Photo - Alamy](https://c8.alamy.com/zooms/9/c64739e50b6c4ef78eefbab46395a3ec/2h37rwf.jpg)
Nikola Tesla (1856-1943), 1919. Tesla in 1919 holding a gas-filled phosphor coated wireless light bulb which he developed in the 1890's to replace incandescent lamp Stock Photo - Alamy
![Electric Incandescent Lamp - Nikola Tesla Patent Drawing from 1891 - Vintage Paper Drawing by Patently Artful - Pixels Electric Incandescent Lamp - Nikola Tesla Patent Drawing from 1891 - Vintage Paper Drawing by Patently Artful - Pixels](https://images.fineartamerica.com/images/artworkimages/mediumlarge/1/electric-incandescent-lamp-nikola-tesla-patent-drawing-from-1891-vintage-paper-patently-artful.jpg)
Electric Incandescent Lamp - Nikola Tesla Patent Drawing from 1891 - Vintage Paper Drawing by Patently Artful - Pixels
![1886 Nikola Tesla Electric Arc Lamp Patent Patent Drawing - Retr Poster by Aged Pixel - Fine Art America 1886 Nikola Tesla Electric Arc Lamp Patent Patent Drawing - Retr Poster by Aged Pixel - Fine Art America](https://render.fineartamerica.com/images/rendered/default/poster/8/10/break/images-medium-5/1886-nikola-tesla-electric-arc-lamp-patent-patent-drawing-retr-aged-pixel.jpg)