A few months later "De heer Phylidoor, professor in de Physique en Mathemathique" arrived in Groningen and advertised two "Representations der Zwarte Konst" to take place in the local Concert Zaal at six in the evenings of 22 and 23 March. "Moved by the lively appreciation and polite manner of several distinguished gentlemen who engaged him" he would be back on 28 and 30 March for other "amusing experiments", including a trick which involved shooting away a ring that would be returned by Phyllidoor's dove and made to be found inside an orange. Spectators were requested to bring oranges for this purpose. In April he proposed to perform two more wondrous experiments, the first consisting of fireworks of inflammable air in which several animals could be seen. On command of the audience he would make the flames change into 25 different colors. For the second presentation Phylidoor would render a person of the audience unable to move, for as long as pleased him. Subscription to the performances was one Ducat, which was perceived as rather expensive.Groningsche Volksalmanak voor het Jaar 1900 Berlin (8 February to 30 March 1789) Magic shows Arriving from Russia, Phylidor first performed in Berlin on 8 February. The flyer promised "sehenswürdige Magische oder sogenannte Schwarzkunst nachahmende Kunststücke" (great magic tricks that imitate the so-called "black arts"). It would, among other surprises, include the following highlights: Theofrastus Paracelsus; a golden head that made lifelike movement and could answer all questions with certain signs a magic crystal column, circa 2 feet high, from which certain things would jump up on command of the audience der Großsultan; an Ottoman figure that on Phylidor's command would curtsy to the audience and answer questions by movements of his head, understanding questions in German as well as in French a Dutch windmill, with a new sympathetic invention causing its sails to stop and turn according to one's wishes a clock on a crystal column, which would tell whatever time desired by the audience, without anyone touching it from a distance and without touching it, Phylidor would take the life of a bird that was being held by someone in the audience and then resurrect it a magnetic staff would make a round object move around and on command of the audience dance a waltz in the air When his "Expériences physiques de St. Philidor" or "magical experiments" of the following weeks were