17th-century coach spring in Lisbon Carriage Museum The earliest acknowledged leaf springs began showing on carriages in France while in the mid-seventeenth century in the form of the two-part elbow spring (as the illustrated case in point from Lisbon), and later on migrated to England and Germany,[6] showing up around https://ltd01235.activosblog.com/34346497/how-axle-assembly-can-save-you-time-stress-and-money