Founded | October 1907 in Milwaukee |
---|---|
Defunct | July 19, 1932 |
Fate | Acquired |
Successor | Geo D. Whitcomb Company |
Headquarters |
The Milwaukee Locomotive Manufacturing Company was an American locomotive manufacturer founded in 1907. It specialized in locomotives for industrial railroads, and was one of the first builders of gasoline locomotives for use in the mining industry. [1]
The company was founded in October 1907, in Milwaukee, [2] by F.P. Cook, Adolph N. Miller and William W. Plankinton. [3] In 1908, the company leased a new factory in North Milwaukee. [4] The company's first product was the Vanguard, a standard gauge 30 hp yard switcher. [5]
In 1910, it supplied one of the first gasoline locomotives for use in a United States coal mine when it supplied the Midvalley Coal Company of Wilburton with one of its 9-ton Model M-4 locomotives. [6]
Just after the First World War the company produced at least one fire truck for the Walter Company of New York. [7]
In 1924, the company introduced its Type H locomotive. [8]
From at least 1919, [9] the company was operated as a subsidiary of the National Brake and Electric Company of Milwaukee, itself a subsidiary of Westinghouse Air Brake Company. [10] On 19 July 1932, the company was sold to the Geo D. Whitcomb Company where it operated as a subsidiary until 1935. [11]
At least three Milwaukee locomotives are known to have been preserved: [2]
Construction number | Model | Weight | Wheel arrangement | Build date | Gauge | Notes |
---|---|---|---|---|---|---|
462 | L-30 | 6 tons | 4 PM | 3 ft 4 in (1,016 mm) | Worked at Madrid, New Mexico, now in the ownership of the American Industrial Mining Company Museum | |
407 | L-30 | 4 PM | 2 ft (610 mm) | Worked at the Pacific Coast Borax Co. | ||
L-30 | 6 tons | 4 PM | 3 ft (914 mm) | Located in central Pennsylvania |
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A rack railway is a steep grade railway with a toothed rack rail, usually between the running rails. The trains are fitted with one or more cog wheels or pinions that mesh with this rack rail. This allows the trains to operate on steep gradients of 100% or more, well above the 10% maximum for friction-based rail. The rack and pinion mechanism also provides more controlled braking and reduces the effects of snow or ice on the rails. Most rack railways are mountain railways, although a few are transit railways or tramways built to overcome a steep gradient in an urban environment. The first cog railway was the Middleton Railway between Middleton and Leeds in West Yorkshire, England, United Kingdom, where the first commercially successful steam locomotive, Salamanca, ran in 1812. This used a rack and pinion system designed and patented in 1811 by John Blenkinsop.
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