The Civil engineer and architect's journal, scientific and railway gazette (1839)
London : [William Laxton] · leaf 315
red hot and slow cooling, that we have enhanced its tenacityor shock-sustaining qualities at least twenty times. Here, then, weeet hold of some/acts which I trust I may consider to bear with someimportant efifects on the treatment and use of iron, especially in theca^e of its application to railway… … Fig. 4. The above Fig. 3 is the form of a railway axle (one half the lengthonly is shown) as they are generally made, the bearings being at A,the wheels being keyed on the part B. In forging such an axle, thebearings are formed with the requisite collars at the ends by hammer-ing the iron at that…
Architecture · Civil engineering · Science
Internet Archive · Boston Library Consortium · Public Domain Mark 1.0. Free to use for anything.
![An illustration from [Graphophone patents] (1878)](https://img.insideoutlibrary.com/img/200/ia-graphophonepaten10unit-267-187.webp)
