File:Bulletin - United States National Museum (1956) (14804532833).jpg

Identifier: bulletinunitedst2101956unit (find matches)
Title: Bulletin - United States National Museum
Year: 1877 (1870s)
Authors: United States National Museum Smithsonian Institution United States. Dept. of the Interior
Subjects: Science
Publisher: Washington : Smithsonian Institution Press, (etc.) for sale by the Supt. of Docs., U.S. Govt Print. Off.
Contributing Library: Smithsonian Libraries
Digitizing Sponsor: Smithsonian Libraries

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bly the design of the companys subsequentlocomotives. Within a year Davis had constructed severallocomotives of a generally similar design, all with verticalboilers (see p. 47). The Tork had wheels 30 inches in diameter, weighed about3^2 tons, and had a top speed of 30 miles an hour. Not longafter its construction, it was drastically altered in design andappearance. The vertical cylinders were removed from theopposite sides of the boiler, where they had operated the fourwheels by means of direct-acting rods and trussed side bars,and inclined adjacent cylinders were located behind theboiler, where they operated by means of gearing on the rearaxle only. The modern replica, however, represents the Tork as it wasoriginally designed and constructed. It operates on a steampressure of 115 pounds per square inch. The original is saidto have operated on 100 pounds per square inch, and itburned anthracite coal, a very early use of that fuel in loco-motives. 25 The West Point Foundry Association
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Figure 1 8.—Early drawing of Best Friend of Charleston, built in 1 830. 26 The scene is now shifted to South CaroHna and New York.The West Point Foundry Association, situated in New YorkCity, had been the location of a stationary demonstrationunder steam of the blocked-up Stourbridge Lion on May 28,1829, shortly after it was unloaded from the ship that broughtit from Liverpool. The Association soon thereafter built alocomotive (figure 18) for the South-Carolina Canal andRail-Road Co., which was building a line from Charlestonto Hamburg, S. C, just across the Savannah River fromAugusta, Ga. Prior to its adoption of the steam locomotive,the railroad had used horses to draw its cars, and had evenexperimented with a wind-propelled sail car. The locomotive, the Best Friend of Charleston, which was tobecome the first to operate on a regularly scheduled run inthis country, was constructed at a cost of $4,000 in the sum-mer of 1830, and arrived at Charleston on October 23 ofthat year, on th

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