Earliest account of the origin of the dildo

Early drawing of a dildo by Borel, (engraving by Ulluin)
Souce: Les Mémoires de Saturnin ou Le Portier des Chartreux, 1787
The account is a translation from L'Histoire merveilleuse et édifiante du Godemiché in the second part of "L'Aretin ou la Débauche de l'Esprit of Abbé Dulaurens" (Rome, 1763 and 1768).