17th-century mentor spring in Lisbon Carriage Museum The earliest known leaf springs started showing on carriages in France inside the mid-17th century in the shape of The 2-aspect elbow spring (since the illustrated case in point from Lisbon), and later on migrated to England and Germany,[6] showing over the carriages https://alternatorparts14689.azzablog.com/35635299/5-simple-statements-about-ltd-explained