Patents for inventions : Abridgements of specifications relating to writing instruments and materials.
Sábháilte in:
| Údar corparáideach: | |
|---|---|
| Formáid: | LEABHAR |
| Teanga: | English |
| Foilsithe / Cruthaithe: |
Lond. :
Office of the Commissioners of Patents for Inventions,
1869, 1882.
|
| Ábhair: |
Clár na nÁbhar:
- Pt.1, A.D. 1635-1866. Pt.2, A.D. 1867-1876.