Patents for inventions : Abridgements of specifications relating to writing instruments and materials.
Guardat en:
| Autor corporatiu: | |
|---|---|
| Format: | Llibre |
| Idioma: | English |
| Publicat: |
Lond. :
Office of the Commissioners of Patents for Inventions,
1869, 1882.
|
| Matèries: |
Taula de continguts:
- Pt.1, A.D. 1635-1866. Pt.2, A.D. 1867-1876.