ig . 514 ) , the spring is connected to the axle box with two side links and pins , taking a snug on the central hoop on the spring ; a snug is likewise cast on the bottom half of the axle box bush , which is made of extra strength to take the strain . Shoes are fitted to the frame or horn plates ,… … Fig . 515 . — Transverse Spring . a , Spring , b b , Axle boxes . verse plates , which are rivetted to the framing , and the spring is set up with a single nut and screwed piece forged along with the cen tral hoop . Volute springs have been used for the hind axles ; the vertical pin for taking the…
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