Inventions: various items including a fountain-pen, a pendulum, and a pantograph. Engraving by T. Jeffrys.
Wellcome Collection

Inventions: various items including a fountain-pen, a pendulum, and a pantograph. Engraving by T. Jeffrys.

Unknown artist

CC0 — Public Domain
Wellcome Collection

Lettering: Pelican. Fountain-pen. Pendulum. Pentagon. Pentagraph. Percussion. ; T. Jefferys sculp.

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