Public domain photos

The image shows a black and white drawing of a glass bottle with a cork stopper and a glass container, which is a patent for a bottle of liquid. The bottle is labeled with text, indicating that it is a device used to measure the amount of liquid inside the bottle.

The image shows a black and white drawing of a glass bottle with a cork stopper and a glass container, which is a patent for a bottle of liquid. The bottle is labeled with text, indicating that it is a device used to measure the amount of liquid inside the bottle.Open in library