. A practical description of Herron's patent trellis railway structure ... also, the patent wrought iron railway chairs, new and improved mode of joining the ends of railway bars, scarfing timbers, and improved fastenings: illustrated by four large plates of working plans ... with a compendious account of the process of kyanizing, in use on the English railways, for preserving the timber from decay: and the recent discoveries of M. Boucherie by means of the pyrolignite of iron .. . :;;\Siv^; ■■;.^ ■!:&■ / Sin -SFsmirr m, mri i« iin /« Jlato H-. HERRONS PATENT RAILWAY STRUCTURE.

---

Size: 1841px × 1357px
Photo credit: © Reading Room 2020 / Alamy / Afripics
License: Licensed
Model Released: No

Keywords: ., bo, bookcentury1800, bookdecade1840, bookidpracticaldescrip00herr