A history of the growth of the steam-engine . robably acquired both the skill and the knowledgewhich, with his native talent, enterprise, and industry, ena-bled him to accomplish the work which has made him was soon intrusted with the erection and managementof»large pumping-engines, and subsequently went into thebusiness of constructing steam-engines with another en-gineer, Edward Bull, who took an active part, with the STEAM-LOCOMOTION ON RAILROADS. 175 Homblowers and others, in opposing the Boulton & Wattpatents. The J;ermination of the suits which established thevalidity of Watts
A history of the growth of the steam-engine . robably acquired both the skill and the knowledgewhich, with his native talent, enterprise, and industry, ena-bled him to accomplish the work which has made him was soon intrusted with the erection and managementof»large pumping-engines, and subsequently went into thebusiness of constructing steam-engines with another en-gineer, Edward Bull, who took an active part, with the STEAM-LOCOMOTION ON RAILROADS. 175 Homblowers and others, in opposing the Boulton & Wattpatents. The J;ermination of the suits which established thevalidity of Watts patent put an end to their business, andTrevithick looked about for other work, and, .not longafter, entered into partnership with a relative, AndrewVivian, who was also a skillful mechanic ; they together de-signed and patented the steam-carriage already referred success was sufficiently satisfactory to aw^iken strongconfidence of a perfect success on the now common tram-roads ; and Trevithick, in February, 1804, had completed a. Fio. 50.—TrevitUets Locomotive, 1804. locomotive engine to work on the Welsh Pen-y-darranroad. This engine (Fig. 50) had a cylindrical flue-boiler,A, like that designed by Oliver Evans, and a single steam-cylinder, JS, set vertically into the steam-space of the boiler, 176 THE MODERN STEAM-ENGINE. and driving the outside cranks, L, on the rear axle of theengine by very long connecting-rods, 2), attached to itscross-head at E. The guide-bars, I, were stayed by bracesleading to the opposite end of the boiler. No attemptwas made to condense the exhaust-steam, w^hich was dis-charged into the smoke-pipe. The pressure of steamadopted was 40 pounds per square inch; but Trevithickhad already made a number of non-condensing engines onwhich he carried from 50 to 145 pounds pressure. In the year 1808, Trevithick built a railroad in London,on what was known later as Torruigton Square, or EustonSquare, and set at work a steam-carriage, which he called Ca
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Keywords: ., bookcentury1800, bookdecade1870, bookidc, booksubjectsteamengines
