Public domain image of a nautical map, chart, navigation pilot guide, free to use, no copyright restrictions image - Picryl description
Picryl description: Public domain image of a waterfall, cascade, water stream, free to use, no copyright restrictions.
Public domain scan of the back of stereograph card, stereoscopic view, 19th century, free to use, no copyright restrictions - Picryl description
Public domain scan of American 19th-century print, free to use, no copyright restrictions image - Picryl description
Public domain scan of vintage 18th-century map, old atlas, navigation, free to use, no copyright restrictions - Picryl description.