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.
Seismometer at Lick Observatory. seismometer on display at the Lick Observatory Own Oleg Alexandrov May UTC Selfmade released in public domain Seismometers Lick Observatory
Page 2023 Free-images.com. All images are Public Domain