The deeper firebox, longer boiler, and high-profiled drivers of the 4-6-2 resulted in high-speed capabilities many railroads strived for. Advancements in steam technology at the time - such as ...

When your steam engine build requires multiple microscopes, including those of the scanning electron variety, you know you’re building something really, really tiny. All of the usual tiny ...

Steam engine makers ... we will describe the portable engine of Mons. Keni^es, an ingenious machinist of Paris, France;— Figure 1 is an outside elevation, and fig. 2 is a transverse section.