Public domain photos

The image shows an open book with a drawing of a window on it. The drawing is detailed and shows the various components of the window, such as the frame, grille, and handle. The window is framed by a white border and the paper is yellowed with age.

The image shows an open book with a drawing of a window on it. The drawing is detailed and shows the various components of the window, such as the frame, grille, and handle. The window is framed by a white border and the paper is yellowed with age.Open in library