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.
LaNatureMachineGramme. fr Vue d'ensemble de la machine Gramme Illustration de La Nature du er novembre cnam fr cgi KY author Custom marker PDold Uploaded with La Nature Revue des Sciences Znobe Gramme
Page 2023 Free-images.com. All images are Public Domain