Public domain photos

The image shows a small green ring sitting on top of a white table, with a black board at the bottom with numbers written on it. The ring appears to be a coil, with the number written on the board likely indicating the origin of the coil.

The image shows a small green ring sitting on top of a white table, with a black board at the bottom with numbers written on it. The ring appears to be a coil, with the number written on the board likely indicating the origin of the coil.Open in library