2.1

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Manufacturer (according to inventory list): Paul ("Paul à Genève")

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Geneva, around 1800

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Glass, elder mark, brass

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Gift of Prof. Daniel Huber 1829

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Deposit Institute of Physics of the University of Basel, Phys. 121/1.

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Inv. 1986.450

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An elongated piece of elderberry pulp is set in motion under the influence of electricity.

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2.2

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around 1800

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Glass, elder marrow, brass

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Gift from Prof. Daniel Huber 1829

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Deposit Institute of Physics of the University of Basel, Phys. 121/2.

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Inv. 1986.451

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Two spheres of elderberry pith are attached to a thread. They repel each other under the influence of electricity.

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