Seventeenth-century coach spring in Lisbon Carriage Museum The earliest known leaf springs began showing on carriages in France during the mid-17th century in the form of the two-portion elbow spring (since the illustrated example from Lisbon), and afterwards migrated to England and Germany,[6] showing within the carriages of the rich https://hand-winch68913.qodsblog.com/35492283/the-2-minute-rule-for-trailer-jack