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.
Casco Class Torepedo Plans. cropped image of the plans for the torpedo mechanism on the modified CascoClass monitors Original found at history navy mil Naval Historical Center PDold Spar torpedo thcentury technical drawings
Page 2023 Free-images.com. All images are Public Domain