
Pasilalinic-sympathetic compass
Pseudo-scientific communications device

Pseudo-scientific communications device
The pasilalinic-sympathetic compass, also referred to as the snail telegraph, was a device built to test the hypothesis that snails create a permanent telepathic link when they mate. The device was developed by French occultist Jacques-Toussaint Benoît (de l'Hérault), with the supposed assistance of an American colleague, Monsieur Biat-Chrétien in the 1850s.
Read on Wikipedia · Image Honoré Daumier, Public domain
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