17th-century coach spring in Lisbon Carriage Museum The earliest identified leaf springs started showing up on carriages in France in the mid-seventeenth century in the shape of the two-section elbow spring (as being the illustrated illustration from Lisbon), and later on migrated to England and Germany,[6] showing up to the https://lukastkwjv.mybloglicious.com/55573877/the-2-minute-rule-for-leaf-spring