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.
Centrifugal governor. Centrifugal governor Image from Discoveries Inventions of the Nineteenth Century by Routledge th edition published Routledge Centrifugalgovernor svg PDold Watt's centrifugal governor thcentury technical drawings
Page 2023 Free-images.com. All images are Public Domain