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.
John Barber's gas turbine. John Barber's gas turbine from his patent John Barbers Gasturbine Skize aus seinem Patent can be found on numerous websites John Barber himself PDold Stationary gas turbines
Page 2023 Free-images.com. All images are Public Domain