Ronald de Jongh studied the principia of violinmaking in the workshop of Maestro Mathijs Heyligers in Cremona, Italy.He learned working with the models of the great Italian Masters, from 1985 till 1990. The models date back to the mid 16th century, all shaped by geometric patterns.All instruments are completely handmade.For all information and specific questions you are kindly invited to contact us through mail or telephone. Visits to the workshop are by appointment.