Triumphs and wonders of the 19th century, the true mirror of a phenomenal era, a volume of original, entertaining and instructive historic and descriptive writings, showing the many and marvellous achievements which distinguish an hundred years of material, intellectual, social and moral progress .. . d of knots. The British ironclad Pallas, completed in 1866, was remarkable for havingthe first successful naval engines on the compound principle, in which thesteam is admitted at high pressure to a small cylinder, and passes thence toa larger one which it tills by its expansion. To Great
Triumphs and wonders of the 19th century, the true mirror of a phenomenal era, a volume of original, entertaining and instructive historic and descriptive writings, showing the many and marvellous achievements which distinguish an hundred years of material, intellectual, social and moral progress .. . d of knots. The British ironclad Pallas, completed in 1866, was remarkable for havingthe first successful naval engines on the compound principle, in which thesteam is admitted at high pressure to a small cylinder, and passes thence toa larger one which it tills by its expansion. To Great Britain the world owesalso the development of triple expansion, i. e., the use of steam successivelyin three cylinders. This system was inaugurated in naval engines by theBritish, in 1885-86, and is now universally employed. Trior to 1879, the boil-ers of all modern war-vessels had been those of the Scotch type, in whichthe flame passes through tubes fixed in a cylindrical shell containing that year, however, France began a revolution in the steam generators ofnavies by equipping a dispatch-vessel with the Belleville tubulous boiler, inwhich the water to be evaporated is contained within tubes surrounded byflame confined in an outer casing. The water-tube principle, also, bids fair to. PLATE IV. ENGINE OF U. S. S. ERICSSON. become of universal application. It has had its most noteworthy navalinstallation in the British cruisers Powerful and Terrible, of 14,200 tons and!.>.S86 horse-power, completed in 1895. The use of more than one screw for propulsion dates back to 1853. Duringour Civil War multiple screws figured, to a small extent, in the tin clads and larger monitors. The application of twin screws, in the modern era,begins with the British ironclad Penelope of 1868. France, in the years 1884-85, blazed the way for another naval advance of much importance in conduct-ing a series of trials with the launch < Jarpe, equipped with triple screws. Thesystem, howeve
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Keywords: ., bookcentury1800, bookdecade1890, bookidtri, booksubjectinventions
