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''Wallamet'' was a sidewheel-driven steamboat that operated on the Willamette and Columbia rivers in Oregon and later on the Sacramento and San Joaquin rivers in California. Built in a Mississippi river style that was not suited to the conditions of these rivers, and suffering from construction defects, Wallamet was not a financially successful vessel.〔 The name of this vessel is often seen spelled as ''Willamette''. == Design and launch == ''Wallamet'' was designed by Capt. John McCrosky and associates in the Mississippi style of river boats, a sidewheeler, with twin smokestacks placed forward of the pilot house. McCrosky was reported to have “had a mania for building steamers of the Mississippi type. John T. Thomas (1808-1890) was the builder of ''Wallamet'', as well as many other steamers.〔 There were sixty staterooms in the boat’s upper saloon, and it could carry 400 tons of freight.〔 ''Wallamet'' had two high pressure steam engines.〔 Each engine was a single cylinder, with 14 inch inside diameter cylinder driving a piston 60 inches long.〔 ''Wallamet'' was 150 feet long, 23 foot beam (measured over hull), and 5 feet depth of hold, with a registered tonnage of 272 tons.〔 Another source gives different dimensions for the steamer: 140 feet long, 26 foot beam, depth of hold 6 feet, 150 tons.〔 〕 ''Wallemet'' was launched on Thurday, August 11, 1853, at Canemah, Oregon. There were about 50 to 60 persons on board the boat at the time of the launch, but no women, who watched the launch from the shore.〔 The boat's name was announced by Asa Lovejoy.〔 The steamer slid cleanly into the water, and once in, continued nearly across the river and had to be retrieved by the sidewheeler Oregon.〔 With the launch of ''Wallamet'', there were now four steamers operating out of Canemah. ''Wallamet'' was said by the editor of a local newspaper to be “calculated to afford greater facilities for freight and passage than have ever before been offered.”〔 抄文引用元・出典: フリー百科事典『 ウィキペディア（Wikipedia）』 ■ウィキペディアで「Wallamet (sidewheeler 1853)」の詳細全文を読む スポンサード リンク
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