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.
PSM medal for Dudley Allen Sargent. fr mdaille pour Dudley Allen Sargent archive org page author PDOld File PSM Medal struck in honor of dr dudley allen sargent PDold Uploaded with Popular Science Monthly illustrations images
Page 2023 Free-images.com. All images are Public Domain