Public domain scan of artwork related to technological or industrial history, free to use, no copyright restrictions image - Picryl description
Picryl description: Public domain image of an arch bridge, stone architecture, free to use, no copyright restrictions.
Public domain photo of a monument, historic place, free to use, no copyright restrictions image - Picryl description
Boston Massachusetts stereoscopic card. Robert Dennis's stereographs collection includes more than 72,000 stereoscopic views organized primarily by geography. The collection bears the name of the native New Yo More
Public domain photo of a monument, historic place, 19th century, free to use, no copyright restrictions image - Picryl description.
Picryl description: Public domain image of the back of stereograph card, stereoscopic view, free to use, no copyright restrictions