Hawkins, N. (Nehemiah), 1833- · New York : Theo. Audel · leaf 140
pit. The water is carried down the pitthrough steel penstocks to the turbines, which are placed 136feet below the water level in the canal. After passing throughthe wheels the waste water is conveyed to the river belowby a tunnel 7,000 feet long. The plan Fig. 126 shows across-section of the wheel… … Thisturbine has a rock-surface wheel pit, but this surface isprotected by a brick lining having a thickness of about 15inches. The width of the wheel pit is 20 feet at the top and16 feet at the bottom, and the cylindrical penstock is 7^ feetin diameter. The shaft of the turbine is a steel tube 38…
Hydraulic machinery · Pumping machinery
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![An illustration from Wedding's Basic Bessemer Process. Translated [from the supplement to the author's Darstellung des schmiedbaren Eisens” entitled, “Basische Bessemer oder Thomas Process”] ... by W. B. Phillips ... and E. Prochaska ... With a supplementary chapter on dephosphorization in the basic open-hearth furnace, by E. Prochaska (1891)](https://img.insideoutlibrary.com/img/200/bl-bl_003874923_0-95-1.webp)
