This image was acquired from
wikimedia. It was marked as Public Domain or CC0 and is free to use. To verify, go to the source and check the information there.
On the Strain Theory of Photographic Action a. en Diagram from research paper on radio research royalsocietypublishing org full pdfhtml Jagadish Chandra Bose other versions PDold Uploaded with On the Strain Theory of Photographic Action
Page 2023 Free-images.com. All images are Public Domain