United States. Patent Office · [Washington, D.C. : U.S. Patent Office] · leaf 408
2 Sheets— Sheet 1. (Model.) W. F. CORNELIUS. Roller Skate. Patented May.3, 1881. No. 240,970. Ficr.l. … Fig. 2 N. PETERS, Photo-Lithographer. Waihingion, D. C.
Roller skates · Patents
Internet Archive · Smithsonian Libraries · Public domain (published before 1931). Free to use for anything.
![An illustration from [Roller-skate patents], 1861, leaf 408](https://img.insideoutlibrary.com/img/1024/ia-rollerskatepaten00unit-408-0.webp)
