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"The upper bearing with dowel—pins and key fit into corresponding dowel holes and key—way in the bottom of the shaft, and rotate with it. When the oil is supplied to the bearing, under a high pressure, it fills the central circular space between the blocks and forces them slightly apart. The oil then escapes between the annular edges of these two blocks and is collected into a drain and returned to the original supply." —Derr, 1911

Cross Sectional View of Curtis Turbine Step Bearing

"The upper bearing with dowel—pins and key fit into corresponding dowel holes and key—way…

"The marine turbine of this type (Curtis turbine) installed in the U.S. Cruiser Salem had seven pressure stages with four velocity steps in the first stage, and three in each of the others. Steam passes from the steam chest through the nozzles, each of which may be closed by a valve operated from the governor. The number open at any one time depends upon the load." —Derr, 1911

Cross Sectional View of U.S.S Salem Steam Engine Showing Curtis Turbines

"The marine turbine of this type (Curtis turbine) installed in the U.S. Cruiser Salem had seven pressure…