In 1866, Henry Kirke Porter and John smith opened a machine shop in Pittsburgh and began producing light locomotives for industrial use under the name Smith & Porter. After a disastrous fire in 1871, the company dissolved. Both partners eventually went back into the locomotive business, with Smith forming the National Locomotive Works which specialized in narrow gauge engines. Henry Porters company focused its efforts on building four-wheel saddle tank locomotives for industry. These were powered by steam, gasoline and diesel. The company also made a series of compressed air engines for...
In 1866, Henry Kirke Porter and John smith opened a machine shop in Pittsburgh and began producing light locomotives for industrial use under the name...