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.
PSM Capillary action between water and air ether or camphor. Capillary action between water and air ether or camphor archive org Popular Science Monthly Volume Author PDold Popular Science Monthly illustrations Fluid mechanics
Page 2023 Free-images.com. All images are Public Domain