Hutton, Frederick Remsen, 1853-1918 · New York, J. Wiley & sons; London, Chapman & Hall, limited · leaf 85
4. Structure of Beam-engines.—Fig. 30 illustrates atypical arrangement of an American river-boat beam-engineof the period 1850 to 1875. The type was practically fixedby the late Charles W. Copeland, and the sketch shows thebeam supported on a frame of wood which has been variously- 44 MECHANICAL… … Fig. 30. securing thereby greater rigidity and less weight than wasrequired in the wooden frames which they have displaced. The beam itself in early practice was a cast-iron girderwith the metal of the flanges so disposed as to secure the THE MECHANISM OF ENGINES. 45 greatest strength and stiffness…
Mechanical engineering · Steam power plants
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