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.
Kazimierz Prszyski . en Kazimierz Prszyski inventor Wadysaw Jewsiewicki Kazimierz Prszyski Interpress Warszawa author PDPoland PDArt Uploaded with Inventors from Poland
Page 2023 Free-images.com. All images are Public Domain