17th-century coach spring in Lisbon Carriage Museum The earliest acknowledged leaf springs commenced appearing on carriages in France within the mid-17th century in the form of the two-portion elbow spring (given that the illustrated instance from Lisbon), and later migrated to England and Germany,[6] appearing over the carriages of the https://steel-watch-band42075.getblogs.net/67992002/5-simple-statements-about-ltd-explained