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.
Benjamin Robins. en Frontpage of New Principles of Gunnery by Benjamin Robins Google books google cat id NBUAAAAYAAJ Benjamin Robins other versions Custom marker PDold Uploaded with Mathematics book covers Mathematicians from England
Page 2023 Free-images.com. All images are Public Domain