ایک ایپلی کیشن جو برقی روشنی کی تاریخ دکھاتی ہے۔
An application presenting the lighting and components of electric lighting, made with the data of Henry Schroeder's (Harrison, New Jersey) work published in 1923, with many illustrative images, which can be reduced and enlarged according to the screen size.
Data source: Project Gutenberg ==> https://www.gutenberg.org
Data processing was done under a creative commons license.
The data can be read and listened to with the system's text-to-speech engine.