Public domain photos

The image shows a page from a book with a drawing of a machine on it. The paper contains text and a diagram of the machine, which appears to be a thermometer. The text on the page is likely related to the machine and its components.

The image shows a page from a book with a drawing of a machine on it. The paper contains text and a diagram of the machine, which appears to be a thermometer. The text on the page is likely related to the machine and its components.Open in library