ure . With that object in view a box form of link has been adopted , made with jaws for taking the spring ends ; the bottom part of the link is different , being made with an eye and pin for passing through the framing . It is likewise screwed for part of its length , having a nut which bears on… … Fig . 514 . — Flat - ended - Spring and Harness . a , Spring , b , Shackle . c c , Shoes . d , Axle box . When the springs are flattened at the end the link is simply a round bar , with an eye and pin for the bottom end , and a raised
e-rara · Eisenbibliothek Schlatt · No known copyright restrictions. Free to use for anything.
![An illustration from [Graphophone patents] (1878)](https://img.insideoutlibrary.com/img/200/ia-graphophonepaten07unit-745-487.webp)
