 24 minutes after the first execution, it was all over.After the severed heads had fallen, by means of a device into the lower, covered part of the scaffold and first examinations had been made, their bodies were taken to a nearby barracks built especially for this purpose.Professors of the "École Supérieure" in Mainz (formerly the university) and scientists of the Mainz Private Medical Association ("Medizinische Privatgesellschaft zu Mainz") carried out "inter alia" investigations with electricity in order to test whether decapitated persons still showed sensations.