Switzerland, technology
Refine your search
Language
- [+]English (1)
- [+]French (1)
- [+]German (2)
- [+]Italian (1)
Period
- [+]all periods (1)
- [+]19th century (1)
Type of source
- [+]books (1)
- [+]images (1)
- [+]journals (1)
- [+]letters (1)
- [+]objects (1)
- [+]photographs (1)
Search results
Country
- [X]Switzerland (2)
Subject
- [X]technology (2)
