Identifier: factoryindustria15newy (find matches)
Title: Factory and industrial management
Year: 1891 (1890s)
Authors:
Subjects: Engineering Factory management Industrial efficiency
Publisher: New York (etc.) McGraw-Hill (etc.)
Contributing Library: Engineering - University of Toronto
Digitizing Sponsor: University of Toronto

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prohibited by law, and this country boasted neither shops,skilled workmen, or even the crude machine tools then in use in Eng-land. The impossibility of constructing suitable engines caused Col.Stevens to abandon all efforts on the lines above indicated, and toconfine himself to the slow-moving paddle engine, with steam of buttwo or three pounds above the atmospheric pressure. For nearlyforty years after the first era of crude experiment, when the oceansteamship and the river steamer were commercial and mechanical suc-cesses, they depended on the box or shell boiler with steam of verylow pressure, the slowly-moving engines indirectly connected to theshafts, and the i)ad(lle wheel instead of the screw. Col. Stevens andhis descendants have been active agents in the cause of marine engi-neering down to to day ; but the immediate line of development onwhich the first real progress was made was very different from that in-dicated by this experimental launch. The first steam launch of which
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u: iii si r; < ^ — \j -: ^ ~ o r- O Ui ^ z .= 3 — u 625 626 THE HIGH-SPEED STEAM YACHT. there is any record in America, and presumably the first built, wasthe Sweetheart, designed by Mr. Charles H. Haswell, of New York,and built under his direction, at the Brooklyn navy yard, in 1837.She was 35 feet over all, 4 feet 3 inches beam, 3 feet depth of hold.Her engine was a miniature of the ordinary walking-beam type, thenin general use and still familiar on ferry-boats, the cylinder being 4inches diameter and 12 inches stroke, taking steam from a horizontalfire-tube boiler. The two paddle wheels were 3 feet 6 inches in diam-eter. The boat made a speed of 5^ miles on the Hudson and Eastrivers. For many years after this experiment nothing was done in thesame direction. During the civil war some steam launches of crudeand primitive build were used by the navy, some even carrying a sparprojecting twenty feet or more forward of the bow, attached to whichwas a torpedo. The hulls were mere

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