Inventions: various items including a fountain-pen, a pendulum, and a pantograph. Engraving by T. Jeffrys.
- Reference:
- 45327i
Licence: Public Domain Mark
Credit: Inventions: various items including a fountain-pen, a pendulum, and a pantograph. Engraving by T. Jeffrys. Wellcome Collection. Source: Wellcome Collection.
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