Patent drawing - Drawing of Design for Spoons Public domain image
Zusammenfassung
Design Patent Drawings.
Public domain photograph of 19th century drawing, free to use, no copyright restrictions image - Picryl description
Berühmte Patentzeichnungen aus dem National Archives, Washington DC
Tags
Datum
01/01/1855
Quelle
The U.S. National Archives
Copyright-info
No known copyright restrictions