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.
Straker boiler Rankin Kennedy Modern Engines Vol III. Scans from 'Rankin Kennedy Modern Engines' III Complete View of Straker Boiler Straker boilers Vertical watertube boilers Vertical boilers
Page 2023 Free-images.com. All images are Public Domain