The Steam Engine and Its Inventors; A Historical Sketch

The Steam Engine and Its Inventors; A Historical Sketch

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This historic book may have numerous typos and missing text. Purchasers can usually download a free scanned copy of the original book (without typos) from the publisher. Not indexed. Not illustrated. 1881 edition. Excerpt: ...engines the miners were enabled to sink to twice the depth they could formerly do by any other machinery. Ibid., p. 308 x. SMEATON'S ENGINES. 131 constructed a table embodying the results of his experiments, and exhibiting the best proportions for engines of all sizes up to seventy-two inch cylinders.1 From this date he began to design a number of engines, some of large size. The first of these was built at Long Benton Colliery, near Newcastle-onTyne, in 1772.2 It had a cylinder fifty-two inches in diameter. Two others were built in 1775, --one at Chacewater, Cornwall, with a cylinder seventy-two inches in diameter, and the other at Cronstadt, near St. Petersburg, having a sixty-six. inch cylinder.3 The engine at Chacewater (Fig. 26) was the most celebrated of Smeaton's engines. It worked with a nine-feet stroke, and made nine strokes per minute. It had three boilers, each fifteen feet in diameter, one placed beneath the cylinder and one on each side of the engine-house. The lever of this engine was built of twenty fir beams, two in width and ten in depth. Smeaton also designed an engine with a 60-inch cylinder for Gateshead Park Colliery, near Gatesheadon-Tyne, in 1778; and an engine with a 72-inch cylinder (like that at Chacewater) for Middleton x. ATTEMPTS TO OBTAIN ROTATIVE MOTION. 133 1 Farey on the Steam Engine, pp. 158, 166, 183. 2 Ibid., pp. 134, 172, 235, note. The cylinder of this engine appears to have been replaced afterwards by one of Watt's new cylinders.--See ibid., p. 321. 3 Smeaton's Reports, Vol. II., pp. 347, 360. The Cronstadt engine was employed in draining a dock. Colliery, near Leeds, in 1780.x The duty performed by Smeaton's improved engines, is stated to have been 9,450,000 lbs. raised one foot high by more

Product details

  • Paperback
  • 185.42 x 241.3 x 10.16mm | 136.08g
  • United States
  • English
  • black & white illustrations
  • 1236930843
  • 9781236930842