Patents for inventions : Abridgements of specifications relating to writing instruments and materials.
Збережено в:
| Співавтор: | |
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| Формат: | Книга |
| Мова: | English |
| Опубліковано: |
Lond. :
Office of the Commissioners of Patents for Inventions,
1869, 1882.
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| Предмети: |
Зміст:
- Pt.1, A.D. 1635-1866. Pt.2, A.D. 1867-1876.