. The Street railway journal . Motion Soft andSlow. It has no RapidVibrations. This Spring is weakest on the ends, and strongest in the center. The bar is coiled on amandril of equal diameter throughout. Thus where the greatest strength is needed thegreatest amount of metal is found. The load first compresses the ends t>f the coils, and as theload is increased the center of the spring is brought into requisition. 834 THE STREET RAILWAY JOURNAL. THE St. Louis, Mo., BUILDERS OF

---

Size: 1114px × 2242px
Photo credit: © Reading Room 2020 / Alamy / Afripics
License: Licensed
Model Released: No

Keywords: ., bookcentury1800, bookdecade1880, booksubjectstreetr, bookyear1884