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.
Polyscope . fr Polyscope de Gustave Trouv cnam fr cgi KY La Nature Prot PDold PDold Check categories April Gustave Trouv France in the th century Images from La Nature Gustave Trouv in science Scientific equipment
Page 2023 Free-images.com. All images are Public Domain