File:Cassier's magazine (1904) (14745955296).jpg

Identifier: cassiersmagazi2719041newy (find matches)
Title: Cassier's magazine
Year: 1891 (1890s)
Authors:
Subjects: Engineering
Publisher: New York Cassier Magazine Co.
Contributing Library: Smithsonian Libraries
Digitizing Sponsor: Smithsonian Libraries

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THE BRITISH MERCANTILE MARINE 235 hard. As much as two-thirds of thetonnage added to the British register atthis date was wood-built, and the finestvessel of the day was a paddle steamer.Wood, in fact, continued to be morelargely used than iron for nearly anotherdecade. Despite, however, the mostpersistent and zealous opposition of con-servative ideas, revolutionary changeswere inevitable, and they came. Thegreatest scope in design afforded by theemployment of metal and the restrictions ers have had their day, and have givenplace to steel vessels; scarcely any ofthe former are now constructed. Let us look at some instances of ship-building enterprise forty years ago.Exclusive of the Great Eastern, whichmust always be considered an abnormalcase, the finest steamers of the day werethe Persia and the Scotia, both belong-ing to the Cunard Company, the formerbuilt in 1859, and the latter in 1862.There was not very much difference be-
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THE PNEUMATIC RIVETING SHED IN THE YARD OF MESSRS. HARLAND & WOLFF, BELFAST removed from the determination of prac-ticable and serviceable dimensions leftno doubt as to the ultimate issue of theconflict. In i860 sailing ships accounted for 90per cent, of the total tonnage of theBritish merchant marine; to-day theyclaim less than 10 per cent, and theratio is daily decreasing. Paddle steam-ers have disappeared from other thanriver and coastwise traffic. Wood is nolonger looked upon as a suitable ma-terial for ships hulls. Even iron steam - tween them, either in type or size..Both were iron, paddle-wheel steamers,,the first of 3300 gross tons, and the sec-ond of 3870 tons. The dimensions ofthe Scotia were, 379 feet length by 47.8feet beam by 32 feet moulded depth;and of the Persia, 376 feet by 45.3 feetby 31.5 feet. Their engines developedhorse-powers of 4900 and 4000, respec-tively. The average speed of the formervessel was 14.4 knots, and of the latter,13.8 knots. How far these ves

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