| 1906 - 402 էջ
...shingles, and that " these wheels being acted on by hickory or whalebone springs propelled the model boat through the water by the agency of a tight cord...between the wheels and being reacted on by the springs." Admiral Preble in his History of Steam Navigation says: " In 1798, in conjunction with Chancellor Livingston... | |
| Henry Whittemore - 1909 - 194 էջ
...shingles ; and that those wheels being acted on by hickory or whalebone springs, propelled the model boat through the water by the agency of a tight cord passed between the wheels, and being reacted upon by the springs." Roosevelt had fully described to Mr. Livingston a vertical wheel which he earnestly... | |
| Jay Feldman - 2007 - 330 էջ
...whereby to take a purchase on the water." He used whalebone and hickory springs to propel the boat along "by the agency of a tight cord passed between the wheels and being re-acted on by the springs." After days of work, the little boat was ready for launching. The boy could barely contain his excitement... | |
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