17th-century coach spring in Lisbon Carriage Museum The earliest recognized leaf springs began appearing on carriages in France in the mid-17th century in the form of The 2-element elbow spring (given that the illustrated example from Lisbon), and later migrated to England and Germany,[6] appearing over the carriages of the https://parkingheater47901.blog-kids.com/35736760/the-2-minute-rule-for-windshield-wiper