Extract of a letter, from Monsieur [Balthazar de] Monconys to Robert Moray Details of Monsieur Monconys's travels to Magdeburg and Italy: concerning Gene's experiments to show the electric force of the air; concerning Gene's thermometer; concerning experiments with gold; details of a child who cannot read or write but can answer difficult questions of arithematic; that Monconys had seen the bones and teeth of an elephant of Hannibal and about flint and black coral in Italy Note at end reads: 'not entred [in the Letter Book]' 1664