Seventeenth-century coach spring in Lisbon Carriage Museum The earliest acknowledged leaf springs started showing up on carriages in France in the mid-seventeenth century in the form of The 2-aspect elbow spring (given that the illustrated illustration from Lisbon), and afterwards migrated to England and Germany,[six] showing up about the carriages https://trailer-jack13578.widblog.com/90308210/detailed-notes-on-leaf-spring